The Science of Brown Fat

There's this stuff called brown fat, right? And if you go back to like pre climate controlled times, everybody had way more brown fat and they were able to regulate their temperature. But now we've lost all our brown fat because we've got hoodies and jackets and climate control. And so you quickly lose it. There's all these studies that show. In fact, there was one study I was looking at. The men did this for like six weeks and they all had some very noticeable increase in the amount of brown fat. So you got to keep doing it. It's kind of sexy. Here she committed to doing it for our entire lives.