A study of marathon and ultramarathon runners aged 35 to 50 revealed concerning findings related to colon health. Nearly half of the 100 participants had polyps, and 15% exhibited advanced adenomas, indicating a risk of developing colon cancer. These rates of precancerous growth were significantly higher than those found in the general populace and even exceeded rates among populations known to have high colon cancer incidences. The study's surprising results have prompted further examination into the potential health impacts of extreme running.
The results were staggering. Almost half the participants had polyps, and 15% had advanced adenomas likely to become cancerous.
The rate of advanced adenomas was much higher than that seen among adults in their late 40s in the general population, which ranges from 4.5% to 6%.
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