You've probably heard the expression that "you're only as old as you feel." However, there's more to a healthy and happy retirement than willpower and positive thinking, according to a recent study.
Of course, you can't do anything about how many years you've been alive. Still, you can change your epigenetic age, which may be a more accurate predictor of both health and functioning, especially for older adults, as age-related medical conditions can significantly impact longevity and vitality.
