Dr. Barbara Corkey, an Emeritus Professor of Medicine and Biochemistry at Boston University, uncovers surprising insights into the obesity epidemic. She argues that environmental toxins, rather than just calories in versus calories out, play a significant role in weight gain. The conversation explores how processed foods affect health, the influence of dietary fats, and the misconceptions surrounding obesity. Corkey emphasizes the need for research into these chemicals and advocates for a deeper understanding of their impact on metabolic diseases.