This podcast features an interview with Dr. Rhonda Patrick, focusing on the pervasive presence of microplastics and their associated chemicals in the environment and their impact on human health. The discussion covers sources of microplastic exposure (water, food, air), the difficulty of avoidance, potential health consequences (hormonal disruption, cognitive impairment, inflammation), and strategies for minimizing exposure (reverse osmosis filters, avoiding heated plastics, increasing dietary fiber). Dr. Patrick highlights the accumulation of microplastics in the brain and its correlation with dementia, and the concerning presence of endocrine-disrupting chemicals like BPA and phthalates in various products. The interview concludes with advice on mitigating the effects of ultra-processed foods and the importance of exercise for overall health.