This podcast episode delves into the critical role of mitochondria as the powerhouses of our cells, emphasizing their function in energy production and the importance of maintaining their health through strategic lifestyle choices. Dr. Hyman identifies four non-negotiables for optimal mitochondrial health—diet, exercise, light exposure, and specific supplements—while highlighting how chronic fatigue and brain fog can signal underlying energy crises fueled by environmental toxins, inflammation, and disrupted microbiomes. He provides actionable practices and highlights the significance of NAD and its precursors in combating age-related declines in energy production, ultimately guiding listeners toward a more energized and healthier life.