A longevity expert shares the exercise she does to live longer and prevent her body from ‘aging fast’

Stress fitness is a way of exercising the body with short bursts of stress. Studies show it can improve the health and regenerative life span of your cells, instead of slowly wearing them out. 

Compare drinking coffee all day with enjoying a single shot of espresso. The former is not so great for you and probably leaves you feeling anxious and jittery; the latter comes with mood- and health-boosting benefits.