Boing Boing

Boing Boing

Research finds ultramarathon running is a risk factor for colorectal cancer

Jennifer Sandlin
Aug 21, 2025
∙ Paid

lzf / shutterstock.com

New research recently presented by Dr. Timothy Cannon in a poster session at the 2025 American Society of Clinical Oncology conference is seeking to understand whether ultramarathon running is a risk factor for colorectal cancer.

Dr. Cannon, an oncologist who works at Inova Schar Cancer Institute in Fairfax, Virginia, and his collea…

User's avatar

Continue reading this post for free, courtesy of Boing Boing.

Or purchase a paid subscription.
Jennifer Sandlin's avatar
A guest post by
Jennifer Sandlin
Subscribe to Jennifer
© 2025 Happy Mutants LLC · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture