Elderly men with higher activity of the hormone IGF-1 or insulin-growth factor 1 appear to have greater life expectancy and reduced cardiovascular risk, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).IGF-1 is a hormone similar in molecular structure to insulin. It is released from the liver and plays an important role in childhood growth and continues to have anabolic effects in adults.

Source:Hormone May Hold Key To Helping Elderly Men Live Longer