Layne Norton, Ph. D. (BioLayne) is a scientist, professional bodybuilder, and physique coach. Layne joins the Armchair Expert to discuss how he approaches teaching people about exercise, his thoughts on the artificial sweetener debate, and his views on the use of steroids in bodybuilding competitions. Layne and Dax talk about how diet culture can shape people’s identities, how eating disorders can be treated as addictions, and how important the power of habit-forming can be to one’s health. Layne explains why tracking what you eat is beneficial, why having accountability with empathy is crucial in weight loss, and how detrimental stress can be to the human body.