The sauna might be the closest thing we have to a fountain of youth. And billgifford means it. 🔥 An hour of heat a week retrains your body to sweat sooner, cool better, and lift your aerobic capacity. You literally start sweating like a younger person again. A Swiss army knife of health, best enjoyed with someone you love. 🎧 Bill Gifford on thedanbuettnerpodcast , link in bio. #sauna #longevity #healthspan #liveto100 #danbuettner