Dr. Melissa Petersen, a renowned expert in longevity and epigenetics, shares groundbreaking insights on living a longer, healthier life. She discusses how lifestyle choices can influence gene expression and the role of mindset in aging. Stress can be beneficial; the concept of 'hormesis' is revealed as a lifespan booster. The importance of circadian fasting and foods that may reverse biological aging is explored. Dr. Petersen emphasizes understanding the difference between chronological and biological age, and reveals secrets from centenarians to enhance well-being.