White fat, on the other hand, stores extra calories and makes you, well, fat. Wouldn’t it be nice if we could instruct our bodies to make more brown fat, and less white fat? A while ago, I told you about proteins that influence the development of brown fat cells, but the unraveling of this biological mystery continues. That finding is important because it’s the first evidence in humans suggesting that deleterious mutations in genes controlling brown fat production can cause obesity.  Initiation of myoblast to brown fat switch by a PRDM16-C/EBP-beta transcriptional complex.