"Mammals have two types of fat: brown and white, with opposing functions. The white adipose tissue (WAT) is an important regulator of the whole body homeostasis that also serves to store energy in form of triglycerides (TGs). The main function of the brown adipose tissue (BAT) is to catabolize lipids in order to produce heat, a function that can be induced by cold exposure or diet. Disruption of t ...