cold exposure biohacking
Longevity Science Isn't About Ice Baths-Wait Too Long
No, longevity science isn’t centered on ice baths; a 2021 NEJM trial found that a 3-minute daily plunge modestly nudges immune function, not rewrites aging clocks. While cold exposure can boost certain immune markers, most longevity gains stem from diet, sleep, and cellular repair strategies. Medical Disclaimer: This article