In this episode of The Dr. Hyman Show, Dr. Mark Hyman interviews Dr. Jeff Bland about immunorejuvenation and the role of the immune system in chronic disease and aging. They discuss how environmental factors impact gene expression and immune function, leading to inflammation and chronic illnesses. Dr. Bland introduces the concept of "angry fat" and the importance of gut health in systemic inflammation. They explore methods for measuring immune system age and interventions like diet and phytochemicals, specifically highlighting Himalayan Tartary Buckwheat, to rejuvenate the immune system and promote longevity. The conversation emphasizes the potential of food as medicine and the need to shift from an inflammatory to an anti-inflammatory lifestyle.