Tiffany Reiss, Ph.D., Contributing Writer:   Most of us are used to thinking of excess body fat as something to lose. However, last week scientists announced a new discovery related to a type of body fat you may actually want to have more of. This special fat is called “brown fat” and the new discoveries have raised a lot of interest in potential new obesity treatments. It’s long been known that there are two different kinds of body fat, brown fat and white fat. Brown fat is more ... [More]