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Study Links Long-Distance Running to Colon Cancer Risk

6/2/2025

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Summary

Story summary

A groundbreaking study uncovers a startling link between long-distance running and an increased risk of colon cancer in those aged 35 to 50. Alarmingly, 41% of runners were found to have precancerous tumors, with many experiencing troubling symptoms like rectal bleeding. Researchers warn that reduced blood flow during intense running may cause cell damage, highlighting the urgent need for awareness and early screening.

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Story summary

A groundbreaking study uncovers a startling link between long-distance running and an increased risk of colon cancer in those aged 35 to 50. Alarmingly, 41% of runners were found to have precancerous tumors, with many experiencing troubling symptoms like rectal bleeding. Researchers warn that reduced blood flow during intense running may cause cell damage, highlighting the urgent need for awareness and early screening.