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Study Links Marathon Running to Colorectal Cancer Risks

8/20/2025

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Summary

Story summary

A study by Inova Schar Cancer Institute indicates a potential link between marathon running and colorectal cancer.
It found that 15% of young runners had advanced adenomas, compared to 1.2% in the general population.
The research, initiated by three young cancer patients, highlights the need for improved screening in this group.
While findings are preliminary, regular exercise remains beneficial despite potential risks.

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Story summary

A study by Inova Schar Cancer Institute indicates a potential link between marathon running and colorectal cancer.
It found that 15% of young runners had advanced adenomas, compared to 1.2% in the general population.
The research, initiated by three young cancer patients, highlights the need for improved screening in this group.
While findings are preliminary, regular exercise remains beneficial despite potential risks.