RHR: Cold Exposure: Why Sustained Beats Extreme
Revolution Health Radio
Chris Kresser
4.7 • 1.7K Ratings
🗓️ 27 January 2026
⏱️ 21 minutes
🧾️ Download transcript
Summary
Cold plunges and ice baths dominate social media, but do they really deliver the best metabolic benefits? In this episode of Revolution Health Radio, Chris Kresser challenges the “colder is better” narrative and explores what the science actually shows about cold exposure. Drawing on clinical research, he explains how brown adipose tissue works, why sustained mild cold exposure activates it more effectively than brief extreme cold, and how this can improve insulin sensitivity, glucose metabolism, and overall metabolic health.
The post RHR: Cold Exposure: Why Sustained Beats Extreme appeared first on Chris Kresser.
Transcript
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| 1:09.9 | Hey everybody, Chris Kresser here. |
| 1:11.8 | Welcome to another episode of Revolution Health Radio. |
| 1:14.7 | I'm guessing you've seen the cold plunge trend all over social media. |
| 1:18.6 | Ice baths, extreme cold exposure, people dunking themselves in near freezing water for a few |
| 1:23.3 | minutes of the time. |
| 1:24.9 | The conventional dogma on cold exposure is the colder the better. If you really |
| 1:30.2 | want metabolic benefits, you need to get into that 34 degree ice bath and tough it out. This is |
| 1:35.7 | understandably turned a lot of people off to the idea of cold exposure. After all, who really |
| 1:41.5 | wants to get into an ice bath? But here's the thing. |
| 1:44.8 | The research doesn't support the colder is better dogma. |
... |
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