Can We Live Longer but Stay Younger?
With greater longevity, the quest to avoid the infirmities of aging is more urgent than ever.
Aging, like bankruptcy in Hemingway’s description, happens two ways, slowly and then all at once. The slow way is the familiar one: decades pass with little sense of internal change, middle age arrives with only a slight slowing down—a name lost, a lumbar ache, a sprinkling of white hairs and eye wrinkles.