A significant cohort study involving over 231,000 health professionals revealed that sustaining moderate physical activity, around 16.9 MET-hours weekly, effectively protects against digestive system cancers (DSCs). Tracking participants over up to 32 years, researchers found an optimal defense against digestive cancers but no added benefits from higher activity levels. Key findings revealed that consistent moderate exercise reduced DSC risk effectively, while higher but inconsistent activity levels did not confer additional protection. This suggests the importance of sustained adherence to activity guidelines in cancer prevention.
1. Study analyzed 231,067 health professionals over 32 years. 2. Moderate activity (16.9 MET-hours/week) is optimal for cancer prevention. 3. Consistency in meeting activity guidelines is crucial. 4. Higher activity levels with low consistency do not reduce risk. 5. Inverse associations found for digestive organ cancers. 6. Further research needed on vigorous activity and resistance training. 7. There is a notable gap in meeting physical activity guidelines among the population.
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