Marathons and ultramarathons may be linked to colon cancer. Here’s why.
- Posted on May 21, 2026
- By Washington Post
- 0 Views
- 1 min read
Marathons and ultramarathons may be linked to colon cancer. Here’s why.
A small study found a surprisingly high incidence of precancerous polyps in young, extreme runners, sparking controversy and concern.
