The Real Reason You Crave Junk Food Under Stress
About this episode
Dr. Brendan McCarthy explores the biological factors behind stress-induced cravings and weight gain.
Is weight gain really about willpower… or is something deeper going on? In this episode, Dr. Brendan McCarthy, Chief Medical Officer at Protea Medical Center, breaks down the real biology behind stress, cravings, and weight gain—and why blaming yourself (or cortisol) is missing the point. You’ll learn: Why chronic stress rewires your metabolism How stress drives cravings for ultra-processed foods The truth about cortisol and fat storage Why “just have more discipline” is bad medicine How ultra-processed foods hijack your hunger and reward systems The key to rebuilding control and agency This isn’t about motivation—it’s about understanding your biology so you can finally work with your body instead of against it. If you’ve ever felt stuck, frustrated, or blamed for your weight… this episode is for you. Mechanism-Anchored References 1. Glucocorticoids, stress, and eating Kuckuck S, van der Valk ES, Scheurink AJW, et al. Glucocorticoids, stress and eating: the mediating role of appetite-regulating hormones. Obesity Reviews. 2023. Supports the claim that stress biology and glucocorticoid signaling can alter appetite regulation and eating behavior. 2. Stress-level glucocorticoids can…
More episodes of Dr. Brendan McCarthy
- Trauma Is Driving Your Diet (Not Willpower) | Ultra-Processed Foods Explained
- Ultra-Processed Foods & Autoimmunity
- The Truth About GLP-1s
- This Was Never a Fair Fight: How Ultra-Processed Food Trains a Child’s Brain
- This Isn’t a Willpower Problem: The Truth About Stress, Cravings & Weight Gain
- The Missing Piece in Weight Loss
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