If a workout feels like more pain than gain, here’s some motivation: Exercise releases a hormone that helps the body shed fat and keeps it from forming.
A group led by a University of Florida Health researcher has learned more about how the hormone irisin helps convert calorie-storing white fat cells into brown fat cells that burn energy. Irisin, which surges when the heart and other muscles are exerted, also inhibits the formation of fatty tissue, according to the researchers.
