While white fat cells (left) store energy in the form of fat and fat-like lipid molecules. Smaller brown fat cells (right) burn lipids to generate heat. Credit: Shingo Kajimura While white fat stores calories, brown fat burns them. A new study, appearing in the journal Cell, reveals that brown fat improves metabolic health by providing nutrients important to other organs, rather than warming up body temperature. Long seen as a villain in metabolic diseases such as diabetes, fat can play the hero too. A study by molecular biologist Shingo Kajimura Read More