Change | Diet | Fitness | Mindset

The Anxiety–Gut Connection: How Stress, Food, and the Nervous System Shape Mental Health

March 25, 4 PM PT / 7 PM ET

Stress isn’t just something you feel—it’s a biological process that affects your brain, gut, hormones, and metabolism. Over time, chronic stress can shape how we eat, how we feel, how we heal, and how resilient our bodies are.

In this webinar, Dr. David Wiss, PhD, RDN, IFMCP, will help demystify the biology of stress in clear, accessible terms—and, most importantly, focus on what actually helps. Designed for cancer survivors, caregivers, and anyone navigating ongoing stress, this session balances science with practical, compassionate guidance you can apply in daily life.

Together, we’ll explore:

  • How stress works in the body, and simple ways to support regulation and resilience
  • The two-way connection between stress and gut health
  • Why stress eating is a biological response, not a failure of willpower
  • How chronic stress affects the nervous system and contributes to burnout


This session will emphasize small, realistic steps that support the nervous system and overall well-being.

Can’t attend live? All registrants will receive the recording via email after the event concludes.

Webinar Registration
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This webinar is brought to you by the Anticancer Lifestyle Program, a program designed to help people reduce their risk of cancer by making healthy lifestyle choices.


About the presenter:
Dr. David Wiss, PhD, RDN, IFMCP is a registered dietitian, researcher, and Institute of Functional Medicine Certified Practitioner specializing in the intersection of nutrition, mental health, and behavior change. With over 14 years of clinical experience, he is the founder of Nutrition in Recovery and the Wise Mind Nutrition app, where he integrates personalized, evidence-based nutrition into mental health, substance use, and eating disorder care.Dr. Wiss has authored more than 30 peer-reviewed publications and has been featured in outlets such as National Geographic, The New York Times, and The Washington Post.

His work focuses on helping people understand the why behind their behaviors—and supporting healing through compassionate, whole-person approaches grounded in both science and lived experience. He earned his PhD from the UCLA Fielding School of Public Health.

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