Dr. Alexis Cowan, a Princeton PhD specializing in light and health, uncovers the surprising truths behind sunlight and skin cancer. She clarifies that the most dangerous melanoma cases often arise from inadequate sun exposure, not overexposure. The conversation dives into how red and infrared light can enhance vitality and the importance of balancing sunlight with cold exposure. Dr. Cowan also discusses the connection between gut health, sunlight, and metabolism, offering evidence-based insights for optimizing health through light.