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Episode: 336

Mayo Clinic Cancer Doctor: 5 Foods That Heal the Body, Starve Cancer, & Prevent Disease

with Dr. Dawn Mussallem

This conversation is going to change the way you think about food, exercise, sleep, stress, and disease.

Today, Mel sits down with Dr. Dawn Mussallem, a double board‑certified Mayo Clinic physician, the first cancer doctor ever on this podcast, integrative oncology pioneer, and stage 4 cancer survivor. 

Inside this episode, you’ll learn:

  • The top 5 cancer‑fighting foods
  • Why food is medicine and how it works in your body
  • The fiber rule tied to lower cancer risk—and why most men miss it
  • The truth about soy and breast cancer
  • How to make healthy eating unbelievably easy (simple food swaps that heal your body)

Whether you want more energy, want to protect your health, or want exact guidance on what to eat and what to avoid for a vibrant life, this episode is for you.

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What we eat, how we move, how we sleep, how we manage stress - that’s medicine. And I prescribe it every single day.

Dr. Dawn Mussallem

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Key takeaways

  1. When you accept what’s happening instead of fighting it, you free up the energy you need to actually heal, move forward, and show up for yourself.

  2. Every time you eat, you have a choice: feed disease or feed vitality. Your food is either medicine or poison, and that truth starts in your own kitchen.

  3. Exercise during treatment isn’t optional - it’s medicine. Even gentle movement can improve survival, lift your mood, and help your body fight.

  4. The biggest mistake after a diagnosis is resisting reality. The second is trying to do it alone. Love yourself enough to let others help you heal.

  5. Food is the leading cause of death in this country. Every ultra-processed bite steals from your longevity; whole foods return it. Choose wisely.

Guests Appearing in this Episode

Dr. Dawn Mussallem

Dr. Dawn Mussallem is a double board-certified physician in internal medicine and lifestyle medicine at Mayo Clinic. 

She specializes in integrative oncology, cancer prevention, and whole-person care. A stage IV cancer survivor and heart transplant recipient, Dr. Mussallem combines 20+ years of clinical experience with personal insight to help patients heal through evidence-based lifestyle interventions.

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