Follow Dr. Søberg's science‑backed steps to boost metabolism, improve insulin sensitivity, and reduce inflammation with cold and heat exposure.
Based on: Essentials: Cold & Heat Exposure for Metabolic Health | Dr. Susanna Søberg by Andrew Huberman
▶ Watch the source video on YouTube
What if one of the most powerful tools for your metabolism was completely free, required no gym membership, and could be done in under two minutes? Most people assume improving insulin sensitivity, burning fat, and lowering inflammation requires expensive supplements or hours of exercise. But Dr. Susanna Søberg's groundbreaking research published from her PhD work suggests otherwise — and it has the data to back it up.
Here's the frustrating part: most people who try cold plunges or saunas are doing it wrong. They either quit too early because it feels unbearable, stay in too long and exhaust their cells, or skip the single most important step at the end of every session that determines whether your body keeps burning for hours afterward. Without a clear protocol, you're leaving serious metabolic benefits on the table.
Imagine finishing a one-to-two-minute cold plunge, knowing your brown fat is now activated, your norepinephrine is surging, and your body is going to keep generating heat and clearing blood glucose for hours — all because you followed a simple, research-backed sequence. Picture your blood pressure trending lower over a season, your insulin response becoming more efficient, and your inflammation markers improving, without a single pill. That's what Dr. Søberg's winter swimmers achieved in her landmark study, and it took them just 11 minutes of cold and 57 minutes of sauna per week.
Dr. Søberg is a leading researcher in cold thermogenesis and metabolic health, and her work has been featured on the Huberman Lab — one of the most respected science podcasts in the world. Her research on winter swimmers revealed that deliberate cold and heat exposure increases brown fat activity, improves insulin sensitivity, lowers blood pressure, reduces heart rate, and decreases inflammatory markers like IL-6 and IL-10. These aren't anecdotes — these are measured outcomes from controlled studies.
This PDF checklist translates every actionable insight from Dr. Søberg's conversation with Andrew Huberman into a clear, step-by-step protocol you can start this week. From gauging the right level of cold discomfort, to understanding the Søberg Principle of ending on cold, to hitting your weekly targets for both cold and heat, every step is laid out for you. Download it, follow it, and let your body do the rest.
Every checklist item comes with actionable notes to guide you — things like "Don't forget to do this before you start," "Avoid this common mistake," or "Set a reminder for 30 days out." Nothing vague, just clear next steps.
+ 15 more action items inside...
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