It’s no secret that aging comes with a whole host of changes to your health. But have you ever wondered why? What actually happens in your body when you age? How do the changes that come with aging lead to the specific health consequences you see as you get older? Why are you developing different health conditions than your friends and family as you age? Aging science is actually making huge progress in finding answers to these questions. And they are far more fascination than you might think. Browse our Aging & Health series to learn more about the biology of of aging and how, exactly, it affects your health.