Episode
The 5 best foods to fight cancer and lower your risk of death | Dr William Li
- Podcast
- ZOE Science & Nutrition
- Published
- Apr 23, 2026
- Duration seconds
- 3772
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Summary
You have around 10,000 cancer cells in your body right now, but most never become dangerous. The science suggests cancer risk is not just about genetics, but how your body responds to these cells. So what can you do, day to day, to support your body’s natural defences? In this episode, Dr William Li, a world-renowned physician, scientist, speaker, and two-time NYT Bestselling author, explains how everyday foods can fuel cancer growth or help your body keep it under control. We explore how cancer starts, why it is part of normal biology, and explain why lifestyle and environment are more important than genetics when managing your cancer risk. Dr Li shares simple guidance on eating patterns that support your body’s defences, including increasing plant-rich foods and reducing ultra-processed foods. He also highlights everyday habits such as staying active, supporting gut health, and limiting toxin exposure as ways to tip the balance in your favour. If your body is already managing cancer cells every day, what small changes could help it do that job better? 🌱 Try our science-backed and tasty wholefood supplement Daily30 Get our brand-new app and Gut Health Test designed by world-leading gut health and nutrition scientists to build healthy eating habits 👉 Join ZOE Follow ZOE on Instagram. Timecodes 00:00 Intro 02:26 Almost everyone has microscopic tumours 08:15 We all have cancer right now? 10:45 Why most cancer cells stay harmless 13:40 The hidden trigger that fuels cancer growth 14:35 What makes cancer turn deadly 16:35 Cancer cells behave like seeds 19:05 How sunburn can lead to cancer 20:55 What smoking really does inside your body 22:20 The new way to fight cancer 24:20 Why genes matter less than you think 26:00 Is vaping worse than smoking? 27:05 The drinking habit th…