Everything I have written in The Søberg® Journal, the cold, the heat, the stress, the recovery, is one side of your metabolism: what you do to it. And it is only half the story.

Because metabolism is a balance. What you do to your body on one side. What you put into it on the other. Output and intake. And until today, I have handed you the output half and stayed almost silent on the intake half, the food, the nutrition, the supplements - how and why, the science of what actually goes in. I have so much to share, and it’s all science backed.

Today it comes full circle. I am giving you the other half, and it is something I have wanted to build for a very long time.

Introducing The Søberg® Plate

The Søberg® Plate is the intake side of your metabolism. Food, nutrition, and the supplements that support it, held to exactly the same standard as everything I write: real science, both halves of the truth, and never a claim I cannot stand behind.

It is rooted in the Nordic and European food I grew up with and trust, food with genuine evidence behind it. And it is built to be useful, not aspirational: real recipes you can cook tonight, each one tied to what is actually happening in your body, with simple substitutions so you can make them wherever you live.

Link to the Søberg Plate

Here is what lives in The Plate:

• Recipes, free and complete, several a week. Protein for your muscle and blood sugar, fibre for steady energy, real food that does real work.

• The nutrition and supplement science, the same honest, evidence-first approach you know from the Journal.

• My Favs, every Friday. A short list of the products, books, and things I genuinely love and use.

You can read it for free

The recipes are free. My Favs is free. If you want the intake side of the story without paying a thing, you are already subscribed, and you are welcome. If it is not for you, you can choose which of my newsletters you receive in your settings, with no hard feelings.

What supporting members get

If you want the whole thing, and if you would like to support this work so I can keep doing it properly, becoming a paid member now gives you access to everything, on both sides of the metabolic story.

The science, in The Søberg® Journal:

• Every members-only deep-dive, the full how-to science on cold, heat, stress, and recovery

• The complete archive of more than 80 articles

• The full e-Magazine, 80 pages

The food, in The Søberg® Plate:

• The Søberg® Plate 7-Day Plan, a complete, science-backed week of eating, with a fresh dated plan every two weeks

• Printable meal plans and shopping lists you can take straight to the kitchen

• The supplement protocols, the exact forms, doses, timing, and what not to combine

• The growing, searchable recipe archive, organised by meal, goal, and season, so you can always find what you need

And for founding members:

• Everything above, plus my most extensive course to date, the Søberg® 12-Week Reset

One subscription, both halves. The output and the intake. The full metabolic picture, which is what I have wanted to give you all along.

Upgrade to paid

Link to the Søberg Plate

Come and see

Start with the recipes. They are free, they are on The Plate now, and they are the food I actually eat. If they serve you, and if you want the plans, the protocols, and the science that turn them into a system, the door to supporting membership is open.

Thank you for being here for the first half of this story. I am so glad to finally give you the rest of it.

Dr. Susanna Søberg, PhD

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What this is

Most diet “plans” are built on restriction and a promise of fast weight loss. This one is not, and I would not put my name on one that was.

This is your structured week of Nordic and European eating, designed to do something the science actually supports: steady your blood sugar, feed your muscle, and build the kind of eating pattern that, over time, supports a healthy weight and a healthier metabolism. You will not go hungry. You will eat real, satisfying food, in a pattern with genuine evidence behind it.

This is the timeline: One week does not transform your metabolism. The Nordic diet trials that inform this plan ran over 18 to 24 weeks, not seven days [1, 2]. What one week can do is give you a clear, doable template, show you how steady you feel when you eat this way, and make the pattern easy to continue. This is a beginning, and from now on, I’m giving you weekly science backed healthy recipies - follow these and see the transformation week by week.

What you get in this plan

• A full 7-day plan. Breakfast, lunch, and dinner for all seven days, built entirely from real, satisfying Nordic food.

• One consolidated shopping list. Everything for the week, organised by section, so a single shop covers it.

• A batch-prep strategy. Two short sessions that carry most of the week, so you are not cooking three times a day.

• The science behind every choice. Why each meal is built the way it is, anchored to real studies, with honest expectations.

• US-friendly throughout. Simple substitutions for every ingredient, so you can make it wherever you live.

• A new plan every two weeks. As a paid subscriber you get a fresh dated plan on the 1st and 3rd Thursday of each month.

A note on who is writing this

I am Dr. Susanna Søberg, a metabolic scientist with a PhD from the University of Copenhagen. I have spent more than fifteen years researching metabolism and how the body handles stress, food, cold, and heat. This plan is built the way I actually eat, and every claim in it is anchored to real research, cited at the end. Where the evidence is strong, I will tell you. Where a week is not enough to promise something, I will tell you that too.

What the science supports

This plan is Nordic eating, structured. That pattern has real evidence.

In randomized trials, a healthy Nordic diet lowered LDL cholesterol by around 21 percent and reduced blood pressure and body weight against a control diet [1], and improved blood lipids and inflammatory markers in people with metabolic syndrome [2]. The honest limit: in one of those trials, insulin sensitivity did not significantly change once calories were matched [2]. So the clearest, best-supported benefits are for your blood lipids and cardiovascular risk, with weight and blood-sugar steadiness as real, supporting outcomes.

Three levers run through every day of this plan:

Protein, at every meal. Protein is the most satiating macronutrient, it steadies blood sugar, and it feeds the muscle that does much of your glucose handling, which matters more with every decade [3]. This is why you will not be hungry.

Fibre, from whole grains, vegetables, and pulses. In a series of analyses covering 185 studies, higher fibre intake was linked to 15 to 30 percent lower cardiovascular and all-cause mortality, with the clearest benefit at 25 to 29 grams a day, more than most people eat [4]. This plan gets you there with food, not supplements.

Pulses, specifically. About one serving of beans or lentils a day significantly lowers LDL cholesterol in randomized trials [5], and pulses increase fullness [6]. They appear through the week for exactly this reason.

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How to use this week

Eat three meals a day. Eat until satisfied, not stuffed, and not restricted. If you are hungry between meals, a piece of fruit, a handful of nuts, or a spoon of skyr is a fine addition. This is not a hunger exercise. It is a quality-and-pattern exercise.

The plan is built around batch cooking, so you are not cooking three times a day. Two short prep sessions carry most of the week. Every recipe named here is one of your free Plate recipes, linked so you can pull it up as you cook.

The 7-day plan

Read more

Why make this

• Built around the nutrients that support calm and sleep, magnesium and glycine, in food form.

• A light, protein-rich evening meal that sits comfortably before bed.

• Fast and flexible, fifteen minutes, and endlessly adaptable.

• The food-first version of the sleep supplements everyone is selling.

When to eat this

Evening, ideally a couple of hours before bed. It is deliberately light and protein-forward rather than heavy, so it supports winding down rather than sitting heavily while you try to sleep. This is the one recipe here designed specifically for the end of the day.

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Greens, Eggs, and Seeds Evening Plate

Serves 2. 15 minutes.

Ingredients

• 200 g leafy greens (spinach, chard, or kale), washed

• 1 tablespoon rapeseed (canola) oil

• 2 cloves garlic, sliced

• 4 eggs

• 2 tablespoons pumpkin seeds, toasted

• 1 can (400 g) white beans or lentils, drained and warmed

• Salt, pepper, a squeeze of lemon

Method

1. Warm the rapeseed oil, add the garlic for 30 seconds, then the greens, and cook until just wilted. Season and squeeze over a little lemon.

2. In the same or a second pan, fry or poach the eggs to your liking.

3. Plate the warmed beans, the greens, and the eggs. Scatter the toasted pumpkin seeds over the top.

Make it your own (US-friendly)

• Greens: any leafy green. Frozen spinach works when fresh is short.

• Protein: swap the eggs for fish or leftover salmon.

• Seeds: pumpkin seeds are the magnesium star, but any seeds add minerals.

The science behind it

Magnesium is involved in many processes, including those that regulate sleep and the stress response, and many people run low. Leafy greens, pumpkin seeds, and legumes are among the best food sources. In supplement form, magnesium has a modest, real signal: a meta-analysis found it reduced the time to fall asleep by around 17 minutes, though the researchers rated the evidence quality low [1]. That modest picture is exactly why I prefer to start with food, where magnesium comes packaged with fibre and other nutrients.

Glycine, the amino acid with a small but real signal for sleep quality, is found in protein-rich foods including eggs, fish, and the collagen in a good broth. In studies, 3 grams before bed improved subjective sleep quality, likely by nudging down core body temperature, one of the signals that initiates sleep [2]. You will not hit a supplement dose from dinner, but building your evening meal around these foods supports the same systems.

The point is not to medicate with dinner. It is to build the evening meal around whole foods that naturally carry these nutrients, so a supplement, if you use one at all, tops up a good foundation rather than doing all the work.

A note before you cook

This is a light, nourishing evening plate built around magnesium-rich and protein-rich foods. It supports a calmer evening as part of good eating. It is not a sleeping pill, and not a substitute for the real levers of sleep: your routine, your light, your stress, and how your day winds down. Food first.

Tell me what to cook next. Would you like a wind-down evening drink to go with this, something warm and calming before bed? Reply and I will send one.

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From The Journal:

If you would like all of my Plate recipes gathered into printable seasonal collections with meal plans and shopping lists, linked below:

Dr. Susanna Søberg, PhD

References

[1] Mah J, Pitre T. Oral magnesium supplementation for insomnia in older adults: a Systematic Review & Meta-Analysis. BMC Complementary Medicine and Therapies. 2021;21(1):125. doi:10.1186/s12906-021-03297-z

[2] Yamadera W, Inagawa K, Chiba S, Bannai M, Takahashi M, Nakayama K. Glycine ingestion improves subjective sleep quality in human volunteers, correlating with polysomnographic changes. Sleep and Biological Rhythms. 2007;5(2):126-131. doi:10.1111/j.1479-8425.2007.00262.x

Why make this

• A warming, genuinely nourishing dinner. Protein-rich fish, fibre-rich beans, and vegetables in one warming pot.

• A small, real thermogenic nudge from chili, described plainly, not oversold.

• Beans that lower LDL cholesterol at about one serving a day [1].

• A myth dismantled by someone who studies it, so you stop wasting money on “fat-burning” food claims.

  

When to eat this

A warming dinner, best on a cold evening. If you pair your week with actual cold exposure, which is the real brown-fat lever, a warming, spiced dinner afterward is a pleasant complement. It is filling without being heavy, so it sits well in the evening.

Warming Chili and White Bean Fish Pot

Serves 2. Prep 10 minutes. Cook 20 minutes.

Ingredients

• 2 fillets of white or oily fish (cod, pollock, or salmon), about 150 g each

• 1 tablespoon rapeseed (canola) oil

• 1 onion, chopped

• 2 cloves garlic, chopped

• 1 fresh red chili, finely chopped (or ½ teaspoon chili flakes)

• 1 teaspoon paprika

• 1 can (400 g) chopped tomatoes

• 1 can (400 g) white beans, drained

• Salt, pepper, and a handful of parsley

Method

1. Warm the rapeseed oil in a deep pan. Soften the onion 5 minutes, then add garlic, chili, and paprika for 1 minute until fragrant.

2. Add the chopped tomatoes and white beans. Season and simmer 10 minutes until thickened.

3. Nestle the fish into the sauce, cover, and simmer gently 6 to 8 minutes until it flakes easily.

4. Scatter with parsley. Serve with rye bread or the new potatoes from the salmon recipe.

Make it your own (US-friendly)

• Fish: any firm white fish or salmon. Frozen works well.

• Chili: adjust to your heat tolerance. Warmth and flavour, not pain.

• Beans: cannellini, butter beans, or chickpeas all work.

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The science behind it

Brown fat, unlike ordinary white fat, burns energy to produce heat. That is why it is interesting. But the thing that reliably activates it is cold, not food. This is the core of my own research: cold exposure is the strong, consistent lever for brown fat, and I write about it in detail in The Søberg Journal.

Food is a much smaller lever. But not nothing. Chili contains capsaicin and its gentler relatives, capsinoids. In a careful study, ingesting capsinoids produced a slight but significant increase in energy expenditure, but only in people who already had active brown fat, and not in those without it [2]. The mechanism overlaps with the cold pathway; it nudges the same sympathetic, heat-producing system.

So read it plainly. The effect is real, it is small, and it works best in people whose brown fat is already active, which tends to mean people exposed to cold. Chili will not melt fat off you. It gives a modest thermogenic nudge, most meaningfully alongside the real lever, cold. The beans, meanwhile, do measurable work: about one serving of pulses a day significantly lowers LDL cholesterol [1].

I would rather give you a genuinely delicious warming dish than sell you a “fat-burning meal” that does not exist.

A note before you cook

This is a warming, protein-rich, fibre-rich dish with a gentle thermogenic nudge from the chili. It is good for you because of the fish, the beans, and the vegetables, not because it is a fat-burning trick. If you want to actually engage your brown fat, the lever is cold. The chili is a small, pleasant bonus.

Tell me what to cook next. Would you like me to write the companion to this, the actual cold practice that genuinely engages brown fat, as a Journal piece? Reply and tell me.

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You may also like

From The Journal:

If you would like all of my Plate recipes gathered into printable seasonal collections with meal plans and shopping lists, see below link:

Dr. Susanna Søberg, PhD

References

[1] Ha V, Sievenpiper JL, de Souza RJ, et al. Effect of dietary pulse intake on established therapeutic lipid targets for cardiovascular risk reduction: a systematic review and meta-analysis of randomized controlled trials. CMAJ. 2014;186(8):E252-E262. doi:10.1503/cmaj.131727

[2] Yoneshiro T, Aita S, Kawai Y, Iwanaga T, Saito M. Nonpungent capsaicin analogs (capsinoids) increase energy expenditure through the activation of brown adipose tissue in humans. American Journal of Clinical Nutrition. 2012;95(4):845-850. doi:10.3945/ajcn.111.018606

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Why make this

• Lentils actively lower LDL cholesterol. About one serving of pulses a day meaningfully reduces LDL in randomized trials [1].

• Fibre that keeps you full and steady. Roots and lentils are fibre-rich, and pulses in particular increase fullness [2].

• Effortless batch cooking. One tray, minimal work, four days of leftovers.

• Cheap and seasonal. Root vegetables are among the most affordable, sustainable things you can cook.

When to eat this

This is a lunch or dinner workhorse. Roast it on a Sunday and it becomes weekday lunches over greens, or a fast dinner under a piece of fish. As a lunch it gives steady afternoon energy; as a dinner it is satisfying without being heavy.

Root Vegetable and Lentil Traybake

Serves 4 (or 2, with leftovers). Prep 15 minutes. Roast 35 minutes.

Ingredients

• 800 g mixed root vegetables (carrots, parsnips, beetroot, red onion), in chunks

• 2 tablespoons rapeseed (canola) oil

• 1 can (400 g) green or brown lentils, drained (or 250 g cooked)

• Salt and black pepper

• A handful of fresh herbs (dill, parsley, or thyme)

• Optional: a spoon of skyr or yogurt to serve

Method

1. Heat the oven to 200°C (400°F). Toss the root vegetables with the rapeseed oil, salt, and pepper on a large tray in a single layer.

2. Roast 25 minutes.

3. Stir in the drained lentils and roast another 10 minutes, until the vegetables are tender and caught at the edges.

4. Scatter with fresh herbs. Serve as is, or with a spoon of skyr and a slice of rye bread.

Make it your own (US-friendly)

• Root vegetables: any mix of carrots, parsnips, beets, sweet potato, or squash.

• Rapeseed oil is canola oil in the US. Olive oil works too.

• Lentils: canned is easiest. Chickpeas or white beans work equally well and carry the same LDL evidence.

Scaling and leftovers

Built for leftovers. It keeps four days and is excellent cold or gently reheated, over greens for lunch or under the salmon from the first recipe.

The science behind it

Root vegetables and rapeseed oil are core components of the healthy Nordic diet, the pattern with real cardiovascular evidence behind it [3]. But the standout ingredient here is the lentils.

Dietary pulses, beans, lentils, chickpeas, peas, have some of the cleaner evidence in nutrition. In a meta-analysis of 26 randomized trials, eating about 130 grams of pulses a day, roughly one serving, significantly lowered LDL cholesterol [1]. And in a separate analysis, pulses increased satiety, the feeling of fullness after a meal [2]. So this is not just a filling dinner. The lentils are doing measurable work on your cholesterol and your appetite.

Add the fibre from the roots, linked in large analyses to lower cardiovascular and all-cause mortality [3], and rapeseed oil for a favourable fat profile, and you have a plate where every component earns its place.

Tell me what to cook next. Would you like a one-pot dinner next, something warming you can make on a weeknight in under half an hour? Reply and I will write it up.

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You may also like

If you would like all of my Plate recipes gathered into printable seasonal collections with meal plans and shopping lists, see the link below:

Dr. Susanna Søberg, PhD

References

[1] Ha V, Sievenpiper JL, de Souza RJ, et al. Effect of dietary pulse intake on established therapeutic lipid targets for cardiovascular risk reduction: a systematic review and meta-analysis of randomized controlled trials. CMAJ. 2014;186(8):E252-E262. doi:10.1503/cmaj.131727

[2] Li SS, Kendall CWC, de Souza RJ, et al. Dietary pulses, satiety and food intake: a systematic review and meta-analysis of acute feeding trials. Obesity. 2014;22(8):1773-1780. doi:10.1002/oby.20782

[3] Reynolds A, Mann J, Cummings J, Winter N, Mete E, Te Morenga L. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet. 2019;393(10170):434-445. doi:10.1016/S0140-6736(18)31809-9

Why make this

• Slow-release energy. Rye’s fibre gives a gentler blood-sugar rise than most breakfast grains, so no mid-morning crash.

• Made the night before. Zero effort in the morning, which is when good intentions usually fail.

• Real fibre, where most of us fall short. The benefits of fibre show up around 25 to 29 grams a day, more than most people get [1].

• Cheap and keeps. A few jars cover most of the week.

When to eat this

Morning, as your first meal, especially on busy days when you need breakfast to require no thought. Because it is made ahead, it is the breakfast that survives a hectic week.

Overnight Rye and Berry Bowl

Serves 1. 5 minutes the night before.

Ingredients

• 40 g rye flakes (or a rye and oat mix)

• 120 ml milk or a milk of your choice

• 2 tablespoons skyr or plain yogurt

• 1 small handful berries, fresh or frozen

• 1 teaspoon seeds

• A small pinch of salt

Method

1. The night before, stir the rye flakes, milk, skyr, and salt in a jar or bowl.

2. Cover and leave in the fridge overnight.

3. In the morning, top with berries and seeds. If too thick, loosen with a splash of milk.

Make it your own (US-friendly)

• Rye flakes are in most health aisles; if hard to find, use a rye-oat mix or soaked steel-cut oats.

• Milk: dairy or any unsweetened plant milk.

• Berries: frozen work beautifully and thaw into the bowl overnight.

Scaling

Make several jars at once. They keep three to four days in the fridge.

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The science behind it

Whole grains and berries are two defining components of the healthy Nordic diet, the pattern with genuine cardiovascular evidence behind it [2]. Rye in particular is high in fibre, and fibre is one of the simplest tools for steadier blood sugar and lasting fullness.

The evidence for fibre is unusually strong for nutrition. In a large series of analyses covering 185 studies and dozens of trials, higher fibre and whole-grain intake was associated with a 15 to 30 percent lower risk of cardiovascular and all-cause mortality, with the clearest benefit at 25 to 29 grams of fibre a day, more than most of us eat [1]. A bowl like this is a simple way to move toward that.

Add skyr or yogurt for protein and berries for polyphenols, and you have a breakfast that holds you until lunch.

Tell me what to cook next. Would you like a savoury make-ahead breakfast next, for the mornings you do not want something sweet? Tell me and I will send it.

Leave a comment

You may also like

If you would like all of my Plate recipes gathered into printable seasonal collections with meal plans and shopping lists, linked below:

Dr. Susanna Søberg, PhD

References

[1] Reynolds A, Mann J, Cummings J, Winter N, Mete E, Te Morenga L. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet. 2019;393(10170):434-445. doi:10.1016/S0140-6736(18)31809-9

[2] Adamsson V, Reumark A, Fredriksson IB, et al. Effects of a healthy Nordic diet on cardiovascular risk factors in hypercholesterolaemic subjects: a randomized controlled trial (NORDIET). Journal of Internal Medicine. 2011;269(2):150-159. doi:10.1111/j.1365-2796.2010.02290.x

Why make this

• It keeps you full until lunch. A high-protein breakfast blunts the mid-morning crash and the snacking that follows it.

• Steadier blood sugar. Protein slows the rise in blood sugar from whatever else you eat.

• Feeds muscle. Protein supports the muscle that does much of your glucose handling, which matters more with every decade.

• Three minutes, no cooking. The easiest healthy habit to actually keep.

When to eat this

Morning, as your first meal. It is designed to set up a steady blood-sugar curve for the day and carry you to lunch without a crash. It also works as an afternoon protein snack if you tend to dip around four.

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The Skyr Protein Bowl

Serves 1. 3 minutes.

Ingredients

• 150 g skyr (or thick plain Greek yogurt)

• 1 small handful mixed berries, fresh or frozen and thawed

• 1 tablespoon mixed seeds (pumpkin, sunflower, a few chia)

• 1 teaspoon chopped nuts (optional)

• A small drizzle of honey (optional)

Method

1. Spoon the skyr into a bowl.

2. Top with the berries, seeds, and nuts.

3. If you want sweetness, a small drizzle of honey. You will need less than you think, because the berries do most of the work.

Make it your own (US-friendly)

• Skyr is widely available now (Siggi’s and others). Thick plain Greek yogurt is a direct substitute.

• Berries: frozen mixed berries are cheaper and just as good; thaw a handful overnight.

• Seeds: any mix. A tablespoon of ground flax adds fibre.

Scaling

Multiply straight up for the family, or set out the components and let everyone build their own.

The science behind it

Protein is the most useful thing on a breakfast plate. It is the most satiating of the macronutrients, and starting the day with it tends to steady both appetite and blood sugar through the morning. Protein also feeds skeletal muscle, and muscle is one of the main sites where your body takes up glucose. This matters especially in midlife, when muscle is lost as part of the metabolic shift, and building or keeping it is the highest-leverage lever you have [1].

The berries are not just for sweetness. Berries are a signature of the Nordic way of eating, and they bring fibre and polyphenols with far less of a blood-sugar cost than a pastry or a sweetened cereal. Diets higher in fibre are linked in large analyses to lower cardiovascular and all-cause mortality, with benefit across the range most of us fall short of [2].

I will not overstate a breakfast bowl. It will not transform you. But as a daily habit, protein-first mornings are one of the simplest, best-evidenced things you can do for steady energy.

Tell me what to cook next. Would you like the warm, cooked version of a high-protein breakfast for colder mornings? Reply and I will put it together.

Leave a comment

You may also like

• The Overnight Rye Bowl That Keeps You Steady All Morning (recipe) [drop link]

• From The Journal:

If you would like all of my Plate recipes gathered into printable seasonal collections with meal plans and shopping lists, here is the link:

Dr. Susanna Søberg, PhD

References

[1] Marlatt KL, Pitynski-Miller DR, Gavin KM, et al. Body composition and cardiometabolic health across the menopause transition. Obesity. 2022;30(1):14-27. doi:10.1002/oby.23289

[2] Reynolds A, Mann J, Cummings J, Winter N, Mete E, Te Morenga L. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet. 2019;393(10170):434-445. doi:10.1016/S0140-6736(18)31809-9

Why make this

• Protein that keeps you full for hours. Salmon is high-quality protein, and protein is the most satiating thing you can put on a plate, which is why this dinner does not leave you raiding the cupboard at nine.

• It belongs to a way of eating with real evidence. The healthy Nordic diet this plate comes from lowered LDL cholesterol by around 21 percent and reduced blood pressure in a randomized trial [1].

• Kinder to your blood sugar. Keeping the potatoes whole and firm, rather than mashed, gives a gentler rise in blood sugar than most potato dishes.

• Genuinely fast. Half an hour, one tray, minimal washing up.

When to eat this

This is a dinner. It is ideal in the evening because it is protein-forward and light, which sits comfortably before sleep, and it gives you leftover salmon for the next day. If you eat it earlier, the protein and fibre make it a steady, no-crash lunch too.

Baked Salmon with Dill, Cucumber, and New Potatoes

Serves 2. Prep 15 minutes. Cook 25 minutes.

Ingredients

For the plate:

• 2 salmon fillets, skin on, about 250 g each

• 500 g new potatoes (small waxy potatoes), skin on

• 1 tablespoon rapeseed oil (canola oil), plus a little extra

• Salt and black pepper

• 1 lemon, half juiced, half in wedges

For the cucumber and dill:

• Half a cucumber, thinly sliced

• 3 tablespoons skyr or plain yogurt

• 1 small handful fresh dill, chopped

• 1 teaspoon white wine vinegar or lemon juice

• A pinch of salt

Method

1. Potatoes first. Heat the oven to 200°C (400°F). Put the new potatoes, whole and unpeeled, into cold salted water, bring to a boil, and simmer 12 to 15 minutes until just tender. Drain them while still firm. Kept whole, they give a gentler blood-sugar response than mash.

2. The cucumber side. While the potatoes cook, stir together the skyr, dill, vinegar, and a pinch of salt, then fold in the cucumber. Chill it while you cook the rest.

3. The salmon. Place the fillets skin-side down on a lined tray. Rub with the rapeseed oil, season, and squeeze over the juice of half the lemon. Bake 10 to 12 minutes, until just opaque and flaking gently. Pull it a touch early; salmon keeps cooking out of the oven, and this is how you avoid it drying out.

4. Finish the potatoes. Drain, and if you like, crush each lightly with a fork and toss with a little rapeseed oil, salt, and pepper.

5. Plate. Salmon, potatoes, a generous spoon of the cucumber and dill, lemon wedges alongside.

Make it your own (US-friendly)

• The fish: trout, mackerel, or arctic char are excellent, often cheaper, swaps. Frozen salmon, thawed, works perfectly.

• Rapeseed oil is simply canola oil in the US. Olive oil is fine.

• New potatoes: any small waxy potato. Skip large starchy baking potatoes here.

• Skyr is now in many US supermarkets. Plain Greek yogurt is a direct substitute.

Scaling and leftovers

Halve for one, double for four (keep the salmon in a single layer so it roasts, not steams). Leftover salmon is wonderful cold the next day, flaked over a rye and skyr bowl or through a salad.

The science behind it

Both halves, even about my own national cuisine.

The strong half is genuinely strong. This plate belongs to the healthy Nordic diet, and that pattern has been tested in real randomized trials. In the NORDIET study, people with high cholesterol saw LDL fall around 21 percent, with lower blood pressure and modest weight loss, against a control diet [1]. In SYSDIET, people with metabolic syndrome improved their blood lipids and inflammatory markers on an isocaloric Nordic diet [2].

The other half: in that same SYSDIET trial, insulin sensitivity and blood pressure did not significantly change once calories were matched [2]. So this is not a metabolic miracle. Its clearest, best-supported benefits are for your blood lipids and cardiovascular risk. That is real, and it is enough.

The salmon itself brings high-quality protein for your muscle and glucose handling, and long-chain omega-3 fats, which are involved in how your body manages inflammation. The whole, firm potatoes add fibre, and dietary fibre in this range is linked in large analyses to lower cardiovascular and all-cause mortality [3].

Before you cook

This is not a medicinal meal and I will never dress a plate of dinner up as one. It is real, nutritious food that belongs to a way of eating with genuine evidence behind it. Good food, eaten often. That is the point.

Tell me what to cook next. Would you like a make-ahead breakfast next, one you build the night before so mornings need no thought? Reply and tell me, and I will send it.

Leave a comment

You may also like

• From The Journal:

If you would like all of my Plate recipes gathered into printable seasonal collections with weekly meal plans and shopping lists, below are the links.

Upgrade to paid

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Leave a comment

Dr. Susanna Søberg, PhD

References

[1] Adamsson V, Reumark A, Fredriksson IB, et al. Effects of a healthy Nordic diet on cardiovascular risk factors in hypercholesterolaemic subjects: a randomized controlled trial (NORDIET). Journal of Internal Medicine. 2011;269(2):150-159. doi:10.1111/j.1365-2796.2010.02290.x

[2] Uusitupa M, Hermansen K, Savolainen MJ, et al. Effects of an isocaloric healthy Nordic diet on insulin sensitivity, lipid profile and inflammation markers in metabolic syndrome: a randomized study (SYSDIET). Journal of Internal Medicine. 2013;274(1):52-66. doi:10.1111/joim.12044

[3] Reynolds A, Mann J, Cummings J, Winter N, Mete E, Te Morenga L. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet. 2019;393(10170):434-445. doi:10.1016/S0140-6736(18)31809-9

We talk about stress as though it were a substance, something that piles up until we reduce it. But from a physiological point of view, stress is not a quantity. It is a signal. A deviation from your body’s current state that sets off a response. In a healthy system, that response rises, does its job, and then resolves. You return to baseline.

The trouble begins when the return does not happen. When the signal fires and fires and never lands back down. That is the state I want to talk about, and it is also where cold and heat become genuinely interesting, because they are two of the few tools I know that train the resolution itself.

Let me show you the science I find most persuasive, and then tell you what I think it means.

What the cold actually does to your stress chemistry

In 2000, a group of Czech physiologists ran a careful experiment [1]. They put young men into water at three different temperatures, 32°C, 20°C, and 14°C, for one hour each, and measured what happened to their hormones and cardiovascular system.

The 14°C immersion is the one people quote, and for good reason. Noradrenaline, the alerting, focusing catecholamine, rose by 530%. Dopamine rose by 250%. Those are not small numbers. That is your nervous system, told in the bluntest possible terms that something demanding is happening, releasing the exact chemistry of alertness and drive.

Here is the part that gets left out, and the part I find more important. In the milder immersions, cortisol, the hormone we most associate with chronic stress, did not climb. It tended to fall. Heart rate and blood pressure dropped. So cold water is not simply a stressor that floods you with stress hormones. It produces a sharp, clean activation of the alerting system while the deeper stress axis stays calm or settles.

That combination, high alertness without a cortisol surge, is exactly the profile of a stress response that is designed to resolve. And that is why I keep returning to cold as a training tool rather than a punishment.

Why the recovery matters more than the shock

My own research points the same direction [2]. We studied experienced winter swimmers, men who combine cold dips with sauna two to three times a week, and compared them with people who did neither.

What struck me was not that the swimmers had some dramatic advantage in brown fat activity. They did not, by the measure of glucose uptake. What they had was better thermoregulation. Their bodies handled the swing between cold and heat more efficiently, with a higher cold-induced heat production and a calmer overall response. They had, in a word, adapted. The practice had trained the system that manages the challenge and the return, not just the moment of shock.

That is the whole thesis. The adaptation is not in how hard you can hit yourself with cold. It is in how well your body learns to respond and then come back down. Cold and heat, used deliberately, are rehearsal for resolution.

Where this goes deeper

Everything above is the why. In the companion piece for paid subscribers, I go the whole way into the physiology of resolution: what actually happens inside the body when a stress response ends, why McEwen’s concept of allostatic load explains so much of modern exhaustion, and how the settling window after cold is the part almost everyone wastes.

In the full piece you will get answers to:

• Why “reduce your stress” is the wrong goal, and what allostatic load reveals about the real problem

• What a 530% noradrenaline spike with calm cortisol actually means for your nervous system

• Why the winter swimmers’ real advantage was in recovery, not in how much cold they could take

• The settling window almost everyone skips, and how to protect it

• How to tell whether a session actually resolved or quietly left you wired all day

• When cold is the wrong tool, and pushing through does harm

If this is the kind of thinking you want more of, that piece is where it lives.

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References

[1] Šrámek P, Šimečková M, Janský L, Šavlíková J, Vybíral S. Human physiological responses to immersion into water of different temperatures. European Journal of Applied Physiology. 2000;81(5):436-442. doi:10.1007/s004210050065

[2] Søberg S, Löfgren J, Philipsen FE, et al. Altered brown fat thermoregulation and enhanced cold-induced thermogenesis in young, healthy, winter-swimming men. Cell Reports Medicine. 2021;2(10):100408. doi:10.1016/j.xcrm.2021.100408

Stress is not a substance you accumulate. It is a response you mount. And the health of a body is not measured by how little stress it meets, but by how cleanly it resolves the stress it meets. This piece is about that resolution: what it actually is inside the body, why it fails, and how cold and heat, used with precision, can train it. I am going to move slowly and build the picture properly, because this is the idea that reorganised how I think about my own field.

In this piece:

• What stress actually is at the level of the two systems that mount it

• Allostatic load, and the specific failure mode where a response never shuts off

• Why modern life breaks resolution rather than delivering bigger stressors

• The Czech immersion study, and what a 530% noradrenaline spike with calm cortisol really tells us

• What my own winter swimmer research found, and why the adaptation was in the return

• How to practise this: the settle, reading whether a session resolved, and when cold is the wrong tool

• The honest limits of the evidence, stated plainly

  The Søberg® Journal is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.

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I am a metabolic scientist, and most of what I see said about cold plunging online is wrong.

Not out of malice. The practice moved faster than the research reached the public, so the loudest advice filled the gap. It usually repeats three claims. Colder is always better. Longer is always better. And it burns meaningful fat.

I have spent my research career studying how the body responds to cold and heat, and I published the protocol behind much of this conversation, the Søberg Principle, in the journal Cell Reports Medicine. So let me take the three claims seriously, tell you which one survives, and then give you the actual number the science supports, so you leave this with something you can use tonight.

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Claim one: colder is always better

This is the one I would most like to retire.

The belief is that a colder plunge is a better plunge, so the goal becomes chasing a lower number every time. That is not how the benefit works.

Cold is a stress. A controlled, useful stress, but a stress. The adaptation does not come from the severity of the shock. It comes from your body learning to respond to it and then recover. Past a certain point, colder water does not give you more of that. It gives you a larger stress that takes longer to come back from, and for some people it tips into a dose their nervous system spends the rest of the day paying off.

Meaningful adaptation begins at temperatures far more moderate than most plunge culture admits. The number on the thermometer is not the prize. Your recovery is.

Claim two: longer is always better

Same logic, same error.

If a short exposure is good, a longer one must be better, so people hold on, count the minutes, and treat endurance as the achievement. But the useful signal from cold arrives early. Extending the exposure well past that point does not multiply the benefit. It multiplies the recovery cost, and it raises the risk, because the longer you stay in genuinely cold water, the more your core temperature actually falls.

This is where the culture gets it backward. The person shivering through ten minutes is not getting ten times the adaptation of the person who did one. They are getting a bigger bill.

Short, consistent, and repeated beats long and heroic. The body adapts to the pattern, not to the single hard effort.

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Claim three: it burns meaningful fat

This is the one that gets oversold the hardest, so I want to be precise.

Part of it is true. Cold does activate brown fat, the metabolically active tissue that generates heat, and it does raise your energy expenditure while you are cold. That mechanism is real and it applies to everyone.

But the leap from there to “cold plunging is a weight loss tool” does not hold. The extra energy you burn during a short cold exposure is small in the context of a whole day of eating and moving. If someone is selling cold to you mainly as a way to lose fat, they have crossed from the proven pile into the oversold one.

The real metabolic value of cold is not the calories burned in the moment. It is what regular exposure does over time, training your metabolism to be more flexible and more responsive. That is the benefit worth practicing for. The fat loss promise is the part that sets people up to be disappointed.

So which claim survives?

None of the three as stated. But underneath all of them is one thing that is genuinely well supported by the science, and it is the reason I built my work around cold in the first place.

Regular, moderate cold exposure produces real adaptation. It shifts your nervous system, supports metabolic flexibility, and trains your body to move between stress and recovery more efficiently. That is the proven core.

Notice what it is not. It is not colder, not longer, not a shortcut to fat loss. It is moderate, consistent, and repeated.

The number no one gives you

Here is the part most cold content leaves out, because a real number is harder to sell than a bold promise.

In my research, published in Cell Reports Medicine, the pattern that came with the metabolic benefit worked out to roughly eleven minutes of cold and about fifty-seven minutes of heat per week, spread across a few sessions. Not per day. Per week.

Read that again, because it is far less than the internet implies. You do not need to suffer daily. You do not need to chase a colder number or a longer hold. A short cold exposure a few times a week, ideally paired with heat, is enough to drive the adaptation that matters.

That is the honest headline. Eleven minutes of cold a week, done consistently, beats a punishing plunge you dread and abandon. The starting line is simpler and gentler than the culture around it, and it is yours now.

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Why the myths matter

When the loudest advice is colder, longer, and you will lose weight, two things happen. People who follow it push too hard, recover poorly, and sometimes get hurt. And people who try it, get none of the promised weight loss, and conclude the whole practice was a scam.

Both are a loss, because the proven part is genuinely good for you. It just does not look like the version being sold.

This is the whole reason I write. Not to defend cold, and not to attack it, but to show you where the line between evidence and hype actually sits, so you can practice the part that works and ignore the part that does not.

If this helped

The free pieces here give you the honest science and a safe place to start. The paid pieces go deeper into the actual practice: how to build up to the weekly amount safely, how to adjust it for your own body, your cycle, and your goals, and how to know when you are doing too much. If you want that depth, you can upgrade below. If you only want the honest science, staying free is completely welcome, and you will always get pieces like this one.

Either way, subscribe so the next one reaches you. This is part of a series where I take the biggest claims in cold and heat, one at a time, and separate what is proven from what is sold.

And tell me in the comments: which claim have you heard the most? I am building the next pieces around the ones you bring me.

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Dr. Susanna Søberg

Reference: Søberg S, et al. Cell Reports Medicine, 2021.

Last time I wrote about sauna and heat for women. Today I want to do the same for the other half of thermal science. It is the half that is even more dominated by men.

Cold has a loud, male voice online. The coldest plunge. The longest hold. The colder the better. Very little of that conversation was built on female physiology, and almost none of it accounts for the fact that a woman’s response to cold changes across her own month.

I have spent my research career studying how the body responds to cold, including where women and men diverge. So let me be precise about what the science actually shows for women, what is still emerging, and what you can do with it.

Women are not smaller men

In the cold, this is not a slogan. It is physiology.

Women generally have a different distribution of subcutaneous fat, a different surface area to mass ratio, and a cold response that is modulated by oestrogen and progesterone. The temperature that feels bracing to a man and the temperature that feels genuinely stressful to a woman are often not the same. And the point at which cold stops helping and starts simply draining you arrives at a different place.

This is the first thing most cold content ignores. It hands women a dose that was never designed for them, and then treats the struggle as proof it is working.

The one thing to take from this, even if you read no further

Colder is not the goal. The goal is a controlled stress that your nervous system can actually recover from.

For women in particular, more cold and longer holds are not more benefit. Past a certain point they are simply a bigger bill for your body to pay. The adaptation does not live in the shock. It lives in the recovery afterward. If the dose is so severe that you spend the rest of the day depleted, you did not train your system. You taxed it.

That single correction changes how most women should practice. Not harder. More precise.

How to apply that precision, across your cycle and across the decades, is what the rest of this piece is about.

Why we still do not have the answer

I want to tell you why the honest answer to “what is the right dose for a woman” is still “we do not fully know,” because the reason is not innocent.

For most of the history of physiology, the default research subject was male. Not out of malice, but out of habit and convenience. Female bodies were treated as complicated, because the menstrual cycle introduces variables that are harder to control for. So women were left out, and the male result was quietly assumed to be the human result.

I grew up as a scientist inside that system. It shaped how I was taught to design a study, and it was genuinely difficult to break. When I ran my own research on cold and heat, I did the proof of concept first in men, because that was the accepted path, the one that gets approved and published. Only afterward did I run a randomised controlled trial in both men and women.

I am not proud of the order. I am telling you anyway, because it shows how deep the default runs, even in someone determined to challenge it.

Times are changing, and I am glad they are. But glad is not enough. This gap does not close on its own. It closes because people decide to close it.

The research women are still owed

The real answer for women will not come from a single afternoon in a laboratory. It will come from studying many women, over time, in their actual lives, across their actual cycles and their actual decades. That is the research I am now committed to building, and in time I am going to invite you into it. The women who practice this every day deserve to be the ones the science is finally built around, not the ones it forgot to include.

That work is coming. For now, below is what the current evidence lets me say with honesty.

Inside the full piece, for paid subscribers:

• Why my own research started in men first, and what that admission tells you about the whole field

• The safe threshold I am willing to draw when the science will not, and why staying silent is the real risk to women

• How to adjust your cold dose across the phases of your cycle, follicular and luteal

• What is genuinely proven about cold and the female metabolism, and what is being oversold to you

• What changes in perimenopause and menopause, and what the emerging evidence actually suggests

• The provisional dosing principles I give women as a safe place to begin

Paid subscribers also become the first cohort of the research I am building on women and thermal health. This is where that work starts.

→ The 3 Week Thermalist Cure® — soeberginstitute.com

→ Søberg® 12-Week Reset — soeberginstitute.com

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If you have followed my work for any length of time, you know I try to tell you both halves of the truth at once.

Here is the first half. Cold and heat are two of the oldest practices in human history, and we now have real science explaining why they work.

Here is the second half. A large amount of what you see online about them is not proven. Some of it is early. Some of it is extrapolated from a single study. Some of it is simply wrong.

Both halves are true at the same time. That is uncomfortable for the internet, which prefers one clean claim per video. It is not uncomfortable for a scientist. It is the normal state of a young field.

So I am starting a series.

Over the next weeks I am going to take the biggest claims in cold, heat, and contrast therapy and sort them into three honest piles. What the evidence supports well. What is promising but not yet settled. And what is being sold to you with far more confidence than the data allows.

I have spent my research career studying how the human body responds to cold and heat, including the ways men and women respond differently, and I published the protocol that much of this conversation now references. I am not here to defend cold and heat. I am here to show you where the line between evidence and hope actually sits, because you deserve to know which side of it you are standing on.

The three piles

Proven. The cardiovascular adaptations to regular heat exposure are well documented. The cellular stress response, including heat shock proteins, is real and measurable. The acute metabolic and nervous system effects of cold are real. These are not in serious scientific dispute, and they are the reason I built my life’s work around this.

Promising but unsettled. Long lasting mental health benefits. Effects on specific hormones. Some of the immunity claims. Many of these have a plausible biological mechanism and some early human data, but not the weight of evidence that would let me promise you an outcome. When a claim sits in this pile, I will tell you, and I will tell you why.

Oversold. Precise numbers attached to vague benefits. Single studies presented as settled fact. Protocols that take a result from one group of people and apply it to everyone, regardless of sex, age, or training history. This is where most of the weekly claims live.

Why this matters to you, not just to scientists

When everything is presented with the same confidence, you cannot tell the difference between a practice worth building into your life and a trend worth ignoring.

So you do one of two things. You believe too much, and you are disappointed when the miracle does not arrive. Or you dismiss the whole field, because some of it was exaggerated and you assume all of it was.

Both are a loss. The proven part is genuinely good for you. It would be a shame to lose it inside the noise.

What is coming

Cold. What it really does to your metabolism, and where the brown fat story is solid versus where it has been stretched.

Heat and the heart. The strongest evidence in the entire field, and why it matters more for women after midlife than almost anyone is saying.

Contrast. Why combining cold and heat is not simply cold plus heat, and what the science says about completing the cycle.

And finally, the honest unknowns. The questions I cannot answer yet, and the ones I am working on right now.

Some of these pieces will be open to everyone, because the core science should be. A few will go deeper into the actual protocols, the dose, the timing, and the precision I usually reserve for the people who support this work directly. I will always be clear about which is which.

One ask

If you want the whole series, the simplest thing you can do is subscribe. It is free, and it is the only way to be sure the next piece reaches you.

And if there is a claim you keep seeing and want me to put under the light, leave it in the comments. I am building part of this series around the questions you bring me.

Both halves of the truth. Every time.

Dr. Susanna Søberg

Not because I want to impress you with numbers. But because I think you deserve to understand what you are part of when you follow this work — and what is being built for the future.

Where it started

The Thermalist® Method began as a research question. What does structured thermal exposure — the deliberate alternation of cold and heat — actually do to the human body? And can we be specific enough about the answer to turn it into a teachable, repeatable, measurable practice?

The peer-reviewed answer — the Søberg Principle, published in Cell Reports Medicine in 2021 — confirmed that yes, we could. Structure determines outcome. The sequence matters. The physiology is specific.

From that foundation, the method has grown into something I could not have fully imagined when I was collecting data in Copenhagen.

What exists today

Four online courses at the Søberg Institute — covering everything from a first introduction to the method through to a full 12-week personal metabolic protocol. Thousands of students across more than 127 countries. A 5-star rated course catalogue built entirely on the published science.

A global newsletter — 25,000 subscribers across 127 countries, reaching the United States, United Kingdom, Australia, Canada, Denmark, and beyond. A community of people who have chosen to follow the science rather than the trend.

More than 250 certified Thermalist® instructors in more than 25 countries — practitioners who have been trained directly in the method and are delivering it in wellness facilities, health clinics, fitness studios, and spa environments worldwide.

And now — the Thermalist® Recovery System. The next evolution of the method. A complete contrast therapy operating system for premium wellness facilities, spa hotels, and hospitality operators — incorporating structured programming, staff certification, guided sound experiences, and a member-facing technology ecosystem. Built on the same published science. Designed for real commercial environments.

Why I am telling you this

Because I want you to understand something important about what the Thermalist® Method is — and what it is not.

It is not a wellness brand that commissioned research to support its marketing. The research came first. The Søberg Principle is published. The science is real. Everything built on top of it is a translation of that science into the real world.

That matters — not just for credibility, but for what it means about the future. A method built on genuine science does not expire when the trend moves on. It deepens as the research develops. It strengthens as more practitioners apply it and more data is gathered.

The Thermalist® Method is fifteen years of research in the making. It will be here in fifteen more.

What is coming

The Thermalist® Recovery System is now launching to selected founding partners in premium wellness and hospitality. The app ecosystem that supports it is in development. The science behind it continues to develop.

And the Søberg Institute will continue to publish — new research, new courses, new tools — for the individuals and practitioners who want to go deeper.

You are part of that community. And I am grateful for it.

If you are a wellness operator or know one who should be part of the Thermalist® Recovery System founding partner programme — the application is open at thermalist.com.

→ Thermalist® Recovery System — thermalist.com

→ All courses — soeberginstitute.com

Thank you for reading. Thank you for supporting this work. 🌊

— Dr. Susanna Søberg

The landmark Finnish longevity studies. The cardiovascular research. The athletic recovery literature. The majority of participants were men. And while the findings are valuable — and many of the benefits translate across sexes — the specific ways in which sauna therapy interacts with female physiology have been largely overlooked.

As a female metabolic scientist who has specifically studied the differences between male and female responses to thermal exposure, I want to address this gap directly.

Because women are not simply smaller men. And the dose, the timing, and the protocol that produces optimal outcomes for a man is frequently not the right approach for a woman.

What we know — the established science

The heat shock protein response to sauna exposure applies equally to women and men. HSPs play a critical role in cellular repair, protein folding, and protection against the cellular damage associated with aging. For women — who face specific challenges around inflammation, hormonal transitions, and oxidative stress — this cellular repair mechanism is particularly relevant.

The cardiovascular benefits of regular sauna use are also well established and applicable to women — and arguably more important. After menopause, when oestrogen’s protective cardiovascular effects diminish, the cardiovascular training stimulus of regular thermal exposure becomes one of the most accessible and evidence-supported tools for maintaining cardiovascular health.

The nervous system effects are where I find the most compelling case for women specifically. Women are disproportionately affected by chronic stress — not because of psychology, but because of biology. The interaction between cortisol, oestrogen, and progesterone creates a more complex stress response than in men. Regular structured sauna practice — particularly in combination with cold exposure, as in the Thermalist® Method — trains the autonomic nervous system in ways that are directly relevant to female stress physiology.

What women need to know that most sauna content ignores

The menstrual cycle influences thermoregulation. In the luteal phase — the second half of the cycle after ovulation — progesterone elevates basal body temperature and the physiological cost of heat exposure is marginally higher. Paying attention to how your body responds during different cycle phases and adjusting intensity accordingly is part of an intelligent practice.

During perimenopause and menopause — when thermoregulation becomes less stable and hot flashes are common — there is emerging evidence that regular thermal training may support thermoregulatory adaptation over time. This is an area where the research is still developing, but the biological mechanism is plausible and the anecdotal evidence from women in the Thermalist® community is consistent.

And pregnancy: sauna use during pregnancy is generally not recommended, particularly in the first trimester and at high temperatures. Always consult your physician.

My personal view

I believe the science of thermal health for women is one of the most underdeveloped areas in the wellness research landscape. Most of what I have built — the Thermalist® Method, the Søberg Principle, the contrast therapy system — was developed with both male and female physiology in mind, because the research demanded it.

Women deserve precision in this space. Not generic wellness content adapted from male research. Actual science that takes female physiology seriously.

That is what I am building — and what I teach in the courses at the Søberg Institute.

→ The 3 Week Thermalist Cure® — soeberginstitute.com

→ Søberg® 12-Week Reset — soeberginstitute.com

Share this with a woman in your life who deserves the honest science. 🌊

— Dr. Susanna Søberg

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Cold and heat are everywhere right now. A billion views, endless videos, a new claim every week. I want to say plainly where I stand, because I have always tried to tell you both halves of the truth at once.

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We know more about nutrition than any generation in history. More about exercise. More about sleep, about disease, about the machinery of aging itself. The knowledge that a few decades ago lived only in journals and the heads of specialists now sits in everyone’s pocket. And in the last few years something stranger has happened on top of all that. We built machines that can answer almost any health question we can think to ask, instantly, patiently, and often better than the human we would otherwise have asked.

By every reasonable measure, the information problem in health is being solved.

And yet walk through any city and you will not find a population that feels well. People are tired in a way sleep does not fix. Anxious in a way no protocol resolves. Surrounded by more guidance than anyone could follow and somehow less certain than ever about what to actually do. We have answered the question and not solved the problem, which usually means we were asking the wrong question.

I think we were. I think we have spent a century operating on an assumption so basic that almost no one has examined it. The assumption is that more information produces better health. And I think the age of AI is about to prove, decisively, that it never did.

Knowledge is going to zero

Start with what is actually happening to information, because the economics of it matter more than the content.

For most of history, health knowledge was scarce and therefore valuable. It was locked behind training, behind access, behind the slow work of finding the right person to ask. If you knew something true about nutrition or recovery that most people did not, you held an advantage, and the advantage was real precisely because the knowledge was hard to get.

That world is ending quickly. Health knowledge is being democratized at a speed that is genuinely difficult to absorb. A machine can now explain nutrition, training, metabolism, fasting, cold exposure, supplementation, and disease prevention to you, at any hour, tuned to your exact question, with more breadth than almost any individual expert alive. It does not get tired. It does not gatekeep. It costs almost nothing.

This is, on its own, a wonderful thing. I am not mourning it. But it has a consequence that very few people in the health world have sat with honestly.

When something becomes abundant, it stops being the advantage.

This is one of the oldest laws there is. Value does not live in what is plentiful. It lives in what is scarce. When a resource that was once rare becomes free and universal, the advantage does not disappear. It migrates. It moves to whatever is still scarce, to the next bottleneck in the chain.

So the real question is not how good the information is getting. The information is getting extraordinary. The real question is the one almost no one is asking. When everyone has access to the same perfect knowledge, what becomes scarce?

Where the capacity actually gets built

Everything in this essay points to a single, slightly inconvenient conclusion. The knowing is now free. The becoming is not, because the becoming happens in the body, through structured practice, over time.

That is what my courses at the Søberg Institute are for. Not to sell you information that an algorithm will hand you for nothing, but to give you the tested structure to turn it into a capacity you actually own. Each one is built on the Søberg Principle and over fifteen years of research, and each one is, in its own way, a method for building back a piece of the adaptability modern life quietly removes.

Thermalist® Method at Home. A 3.5-hour self-paced introduction to the full method. The clearest place to start if you want to understand how cold and heat train the body, and how to practice them correctly rather than enthusiastically.

Cold Water Immersion Course. The full science of cold, with comprehensive safety guidance. For building genuine cold adaptation, the kind that lives in the body and cannot be downloaded, on a foundation that keeps you safe while you do it.

The 3 Week Thermalist Cure®. A structured three-week programme combining cold, heat, and breath. A deliberate, time-bound reintroduction of the challenge and recovery the body adapts to.

The Søberg® 12-Week Reset. A guided twelve-week metabolic protocol. The longer arc, for rebuilding metabolic flexibility and recovery capacity as a lasting part of how your body works.

The information about all of this is, in a sense, already free. What these give you is the structure to build the thing the information was always pointing at and could never deliver on its own.

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For most of human history, healthcare has been a story told backwards.

Something broke. You felt it. Then you went looking for help, often too late, and medicine did what it could with what was left. The doctor was a historian of the body, reading the damage after the fact. We called this care, and for thousands of years it was the only kind we had.

We are now leaving that world. For the first time, disease may increasingly be seen before it is felt. The signal is arriving ahead of the symptom.

This is the part everyone talks about, so I will move through it quickly. Wearables read your heart rate, your sleep, the variability between each beat. Continuous monitors turn a single meal into a curve. Blood biomarkers, once measured every few years, are starting to be tracked across months. Algorithms trained on millions of people can flag the faint statistical shadow of a disease years before it would announce itself. The body, for the first time, is becoming legible in advance.

I work in metabolic science, and I do not want to be the person who stands in front of this and frowns. Some of it is genuinely extraordinary. Catching a cancer at stage one instead of stage three is not a lifestyle upgrade. It is a life.

I am interested in a quieter question, one almost no one is asking while we are busy being amazed. What does it do to a human being to live inside a system that watches their body more closely than they ever could, and increasingly decides for them what their body needs?

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They track their glucose in real time. They weigh their protein. They can recite their body fat percentage from memory, and there is a spreadsheet behind their supplement stack. By every metric we have agreed to care about, they are doing well.

Then a flight gets delayed, they miss a meal, they sleep four hours in a strange hotel, and the whole system collapses. Irritable. Foggy. Ravenous. Useless. One disruption, and the machine stalls.

We would not call a car reliable if it only ran on a perfectly flat road at exactly 21 degrees, with premium fuel and no passengers. We would call it fragile. Yet this is precisely the condition we have learned to call healthy, and we spend enormous effort trying to manufacture the flat road rather than asking why we can no longer handle a hill.

I have spent my career studying metabolism, brown fat, and how the body responds to cold and heat. The longer I do this work, the more convinced I become that we have been measuring the wrong thing entirely.

The question we never ask

Almost everything sold under the banner of metabolic health is a question about level. How many calories. How low the body fat. How flat the glucose curve. How much protein. How efficient the burn.

These are all questions about a single point on a graph. They describe a snapshot of the body under one set of conditions, usually favorable ones.

The question I almost never hear anyone ask is about range. Not how your metabolism performs when everything is perfect, but how wide a band of conditions it can absorb before something gives. Not the height of the peak, but the width of the floor you can stand on.

A resilient metabolism is not the one that burns the most calories. It is not the one with the lowest body fat. It is not even the one with the flattest blood sugar. A resilient metabolism is the one that can move between states. Fed and fasted. Hot and cold. Stressed and recovered. Awake and asleep. It moves between all of them without falling apart.

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I want to cut through the noise and give you the clear, honest scientific picture — because contrast therapy, when you understand what it actually is and…

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