Why Do We Age? 4 Theories of Aging

Why do we age? There have been many theories of aging over the centuries. The ancient Greek, Galen of Pergamum, who served as official court physician to Roman Emperor Marcus Aurelius, believed aging was a loss of two of the four bodily “humors,” heat and moisture, over time. More recently, … Continue reading Why Do We Age? 4 Theories of Aging