Dr. Martin Picard, PhD, is a professor of behavioral medicine at Columbia University and an expert on how our behaviors and psychology shape cellular energy production and rates of aging. He explains that your mitochondria don’t just “make energy”; they translate what you do—your mindset and your relationships—into the energy you experience as vitality or lack thereof. He explains how exercise, nutrition, sleep, meditation, and even certain thought patterns and our sense of purpose can charge our cells like batteries. He also shares findings that hair greying is the result of cellular stress and is reversible. This episo...