epigenetic clocks

Long-term physical activity is a hallmark recommendation physicians make to patients for a long, healthy life.
The Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) study looked at the effect of a 25% reduction in caloric intake, without sacrificing essential nutrients, in healthy adults over two years.
As we mature through infancy, adolescence, adulthood, and our "senior" years, our bodies go through many changes.