Newly discovered hormone mimics the effects of exercise Enlarge Credit: Martha Sexton/public domain Scientists at the USC Leonard Davis School of Gerontology have discovered a new hormone that fights the weight gain caused by a high-fat Western diet and normalizes the metabolism - effects commonly associated with exercising. Hormones are molecules that act as the body's signals, triggering various physiological responses. The newly discovered hormone, dubbed "MOTS-c," primarily targets muscle tissue, where it restores insulin sensitivity, counteracting diet-induced and age-dependent insulin resistance."This represents a major advance in the identification of new treatments for age-related diseases such as diabetes," said Pinchas...