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The Washington Post
washingtonpost.com
did:plc:k5nskatzhyxersjilvtnz4lh
A small study found a surprisingly high incidence of precancerous polyps in young, extreme runners, sparking urgent questions, concerns and skepticism among gastroenterologists and runners.
Here’s what to know:
https://www.washingtonpost.com/wellness/2026/05/21/marathons-ultramarathons-may-be-linked-colon-cancer-heres-why/?utm_campaign=wp_main&utm_source=bluesky&utm_medium=social
2026-05-21T16:00:30.064Z