Growing up, many of us were taught to just stay calm and carry on - as if stress was all in the mind, with no real effect on the body. But chronic stress can change your brain, raise your risk of heart disease, and even shorten your life. In this episode, we ask: what happens when a stress response built to last minutes never switches off? Today, Professor Carmine Pariante, one of the world's leading researchers on stress, helps us understand what’s happening in your body during a stressful moment and why chronic stress disrupts sleep, appetite, and energy levels. Carmine also explains how worried you should be about cortisol, and whether "cortisol face" and "cortisol belly" are backed by evidence. By the end, you’ll understand why stress can be so powerful, when it becomes harmful, and have some evidence-based ways to manage it. Next time you reach for wine, your phone, or something sweet after a hard day, ask yourself: is this helping you cope, or helping you avoid how you feel? 🌱 Try our science-backed and tasty wholefood supplement Daily30 🌿Let your gut microbes snack on the ZOE Gut Health Bar Build healthy habits. Download the ZOE app today and start your trial for just £2.30 for your first week. 👉 Join ZOE Follow ZOE on Instagram. Timecodes 00:00 Intro 01:10 Should you be aiming for zero stress? 06:13 Inside your fight-or-flight response 11:19 Can stress actually cause a heart attack? 13:15 Why your stress response won't switch off 15:33 Why stress eating isn't a willpower problem 17:15 Why emotional stress feels physical 21:00 The earliest sign of chronic stress 22:05 There's no such thing as "it's all in your head" 25:15 Stress causes the same inflammation as a cold 29:54 The blunt truth about chronic stress 31:07 How stress clogs your arteries 32:55 Why chronic stress can steal your joy 35:10 What a brain scan reveals about chronic stress 37:07 Is "cortisol face" actually real? 38:49 Does the viral cortisol cocktail actually work? 41:20 Why control is the key to coping with stress 42:46 How singing for one hour lowered cortisol 45:15 Why exercise is such powerful stress relief 47:57 Foods with the strongest evidence against stress 49:45 Why alcohol doesn't actually relieve stress 50:58 Is your phone making your stress worse? 54:04 The first thing to do when stress overwhelms you 56:06 Why modern life never switches your stress off 📚Books by our ZOE Scientists The Food For Life Cookbook Every Body Should Know This by Dr Federica Amati The Appetite Reset by Dr Federica Amati Food For Life by Prof. Tim Spector Ferment by Prof. Tim Spector Good Mood Food (preorder) by Prof. Tim Spector Free resources from ZOE The Smart Snacking Guide: How to feed your gut, fuel your day, and snack without guilt The Hormone Harmony Guide: Tuning Your Body’s Internal Orchestra Eating for Better Brain Health: Your brain-gut blueprint How to eat in 2026 - Discover ZOE’s 8 nutrition principles for long-term health Live Healthier: Top 10 Tips From ZOE Science & Nutrition Gut Guide - For a Healthier Microbiome in Weeks Better Breakfast Guide Mentioned in today's episode Effect of anti-inflammatory treatment on depressive symptom severity, The American Journal of Psychiatry (2025) Implementing a group singing intervention for depression, Frontiers in Medicine (2024) The Relationship between Diet and the Occurrence of Depressive Symptoms, Nutrients (2023) Have feedback or a topic you'd like us to cover? Let us know here. Episode transcripts are available here.
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