22: Are Marathons Linked to Colon Cancer Risk? What Runners Need to Know
Description
Do marathons cause colon cancer? There have been several posts circulating online alongside a New York Times article about a recent study about colon cancer in long distance runners. Let’s break down the study & what you need to know about distance running and colon cancer risk!
⏱️ Chapters:
- (00:00 ) — Grab the Gut-Friendly Sports Drink Guide!
- (00:38 ) — Welcome to the Gut Fit Nutrition Podcast
- (01:27 ) — Today’s topic: Colon cancer study in long-distance runners
- (03:00 ) — Study overview & sensational media headlines
- (04:20 ) — Study limitations: no control group, not peer-reviewed
- (06:00 ) — Possible mechanisms: blood flow, oxygen, runner’s colitis
- (07:20 ) — Missing variables: hydration, NSAIDs, nutrition, body composition
- (08:20 ) — Ultra-endurance considerations and lifestyle factors
- (09:00 ) — Broader evidence: physical activity reduces colon cancer risk
- (10:20 ) — Known risk factors: diet, lifestyle, genetics, IBD
- (11:30 ) — Emerging theory: microplastics and colorectal cancer
- (12:50 ) — Practical takeaways: study quality, balanced perspective
- (14:10 ) — Closing thoughts
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