Checked elsewhere / Gezondheid en wetenschap

“marathon- en ultralopers hebben veel vaker precancereuze poliepen in de darmen.”
Dr. Timothy Cannon Claim dated 19 Aug 2025.
Gezondheid en wetenschap rated thisGeen bewijs

In short

Dr. Timothy Cannon made this claim around 19 August 2025. Gezondheid en wetenschap (Belgium) looked into it and published its finding on 1 September 2025, 13 days later. Its rating was “Geen bewijs”.

Where the claim appeared

Links recorded by Gezondheid en wetenschap. Some posts may have been deleted since.

This check was done by Gezondheid en wetenschap, not by DoesItStand. We list it so you can find it. Their full evidence and reasoning are in their article.