Friends enjoy a Valentine’s Day celebration at a Los Angeles senior center on Feb. 13, 2025. (Juliana Yamada/Los Angeles Times via Getty Images) About this research This Pew Research Center report ...
Your brain doesn't have to age on autopilot. New research shows we can slow—and potentially reverse—brain aging.
If you want to know your chronological age, simply count the candles on your next birthday cake. Calculating your biological age, though, is a little more complicated. Chronological age is the number ...