The Mental Health Crisis Starts in the Gut | Dr. William Li & Dr. Mark Hyman

The Mental Health Crisis Starts in the Gut | Dr. William Li & Dr. Mark Hyman

Author: Dr. Mark Hyman April 29, 2026 Duration: 1:05:17
It’s easy to think of mental health as something happening only in the brain. But more and more, we’re seeing how closely it’s tied to what’s going on in the gut. Today, I’m joined again by Dr. William Li, a New York Times bestselling author. We discuss his latest book, Eat to Beat Your Diet, and how food, inflammation, and microbiome shape the way we think and feel. Watch the full conversation on YouTube, or listen wherever you get your podcasts - https://youtu.be/rY0OE-1blL0 In this conversation we discuss: • What if your anxiety or brain fog is actually a signal coming from your gut • Why gut health may be the missing piece in how we think about mental health • How everyday foods can either fuel inflammation or help calm your system • The compounds in real food that quietly support memory, mood, and mental clarity • Simple shifts that can help reset your system and support how you feel day to day Mental health isn’t separate from the rest of the body. The more we understand that, the more it shifts where you look for answers. If you’re looking for more support and community around this, the 10-Day Detox is designed to help reduce inflammation and support your body using real food. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman https://drhyman.com/pages/picks?utm_campaign=shownotes&utm_medium=banner&utm_source=podcast Sign Up for Dr. Hyman’s Weekly Longevity Journal https://drhyman.com/pages/longevity?utm_campaign=shownotes&utm_medium=banner&utm_source=podcast Join the 10-Day Detox to Reset Your Health https://drhyman.com/pages/10-day-detox Join the Hyman Hive for Expert Support and Real Results https://drhyman.com/pages/hyman-hive This episode is brought to you by Korrus, BIOptimizers, Seed, Maui Nui, Made In Cookware and Sunlighten. Visit korrus.com/drhyman for 15% off their newest product OIO Sphere with code HYMANSPHERE15. Head to bioptimizers.com/hyman and use promo code HYMAN at checkout to save 15%. Go to seed.com/hyman and use code 20HYMAN to get 20% off your first month. Go to mauinuivenison.com/hyman to claim your free 6-pack of their Wild Axis Venison Jerky Sticks. Visit madeincookware.com and use code HYMAN10 for 10% off your order. Visit sunlighten.com and use code HYMAN to save up to $1600 today! (0:00) Food as medicine, the flavorome, and the gut-brain connection (3:20) Food, gut health, and mental health (6:02) The flavorome’s impact on gut and brain health (10:33) Importance of a balanced gut microbiome (13:35) Feeding the microbiome with polyphenols (21:19) Anti-inflammatory properties of ellagic acid and polyphenols (26:05) Lactobacillus reuteri: benefits for wound healing and mental health (30:12) Natural flavors, phytochemicals, and animal intelligence (38:17) Inflammation, processed foods, and mental health (44:12) Diet’s impact on gut health, symptoms, and benefits of cooking (47:50) Polyphenols, brain health, and neurogenesis (55:25) Ibogaine, brain regeneration, and personal experiences (1:00:40) The future of brain and eye health (1:02:28) Upcoming projects, professional advice, and gratitude (1:05:45) Final thoughts, resources, and outro

Hosted by physician and functional medicine pioneer Dr. Mark Hyman, The Dr. Hyman Show is a conversation about reclaiming your well-being. Each episode digs into the interconnected systems that shape our health, moving beyond symptom management to address foundational causes. You’ll hear detailed discussions on nutrition, the roots of chronic disease, mental health strategies, and the science of longevity, all framed through a functional medicine lens. Dr. Hyman engages with leading experts and thinkers to challenge conventional wisdom on food policy and prevention, offering a practical and often provocative perspective. This podcast serves as a resource for anyone feeling lost in a healthcare system that can overlook root causes, providing actionable knowledge to make informed daily choices. Tune in for a deep, evidence-based exploration of how our bodies truly work, empowering you to reimagine your personal health potential through informed dialogue and discovery.
Author: Language: English Episodes: 100

The Dr. Hyman Show
Podcast Episodes
Are You Secretly Dehydrated? Why a 1% Drop Kills Your Focus and Mood [not-audio_url] [/not-audio_url]

Duration: 18:32
Hydration affects far more than thirst. Even mild dehydration can impact your focus, memory, mood, energy, and overall brain performance—yet most people walk through the day without realizing they’re under-hydrated. The…
The 5 Root Causes of Autoimmune Disease (And How to Start Healing) [not-audio_url] [/not-audio_url]

Duration: 27:08
Autoimmune disease is often treated as something random, lifelong, and out of your control. But what if it’s not your body malfunctioning—what if it’s your immune system responding exactly the way it’s designed to, to so…
The Real Reason You Age (And How to Slow It Down) | Dr. Eric Verdin [not-audio_url] [/not-audio_url]

Duration: 1:12:53
We tend to think of heart disease, cancer, and Alzheimer’s as separate problems. But what if they all stem from the same underlying process? On this episode of The Dr. Hyman Show, I sit down with Dr. Eric Verdin, whose r…
6 Root Causes of Migraines (And How to Fix Them) [not-audio_url] [/not-audio_url]

Duration: 26:40
Migraines aren’t just headaches and if you’ve ever had one, you know how debilitating they can be. But they’re not random, and they’re not just genetic. Migraines are a signal that something deeper is out of balance in y…
Feeding Kids Is Hard—Here’s What They Actually Need [not-audio_url] [/not-audio_url]

Duration: 38:27
Most parents are doing their best but the modern food environment is working against them. Between ultra-processed foods, constant marketing, and confusing nutrition advice, it’s easy to feel overwhelmed. But what your c…
We Can Detect Cancer Years Earlier—So Why Aren’t We? [not-audio_url] [/not-audio_url]

Duration: 1:08:14
Most of medicine is built around snapshots. You feel something, you test for it, and by the time you find it, you’re already behind. But what if the problem isn’t the test—it’s how we use it? In this episode, I sit down…
Can’t Fall or Stay Asleep? Your Sleep Questions Answered [not-audio_url] [/not-audio_url]

Duration: 29:40
Sleep is one of the most important and most overlooked drivers of your health. If you’re struggling to fall asleep, waking up at 2–4am, or getting a full night’s sleep but still feeling exhausted, your body is trying to…
What It Really Means to Regulate Your Nervous System—and How to Start [not-audio_url] [/not-audio_url]

Duration: 20:00
If you’re doing everything “right”—eating well, taking supplements, working on your health—but still feel stuck, this might be the missing piece. Your body cannot heal if it thinks it’s under threat. In this episode, we…