Super Agers: From Their Cells to Their Psychology, They Show Us How to Live to 100 and Beyond

Super agers—from their cellular makeup to their daily habits and states of mind—are living studies in what it takes to live longer and healthier. Biologically, they preserve better gray matter volume in their brains. Behaviorally, they tend to exercise, eat well, and avoid smoking and drinking to excess. But what, at a deeper le...