In this episode of The Dr. Gabrielle Lyon Show, Dr. Lyon interviews Dr. Casey Means, a former surgeon, about metabolic health and its root causes. Dr. Means shares her personal journey from surgery to focusing on metabolic dysfunction, driven by her observations of increasing chronic illness despite healthcare spending. She discusses her mother's experience with chronic disease management and the importance of addressing mitochondrial health. The conversation explores the optimization culture, the significance of body awareness, and the convergence of intuition with hard data like biomarkers. Dr. Means details her dietary approach centered on cellular biology, emphasizing healthy protein, antioxidants, omega-3 fatty acids, probiotics, and fiber. They also discuss intermittent fasting, exercise, and the impact of lifestyle factors like walking, sleep consistency, and spending time outdoors on metabolic health, as well as misconceptions in healthcare and the importance of simplifying health practices.