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Fitness May Reduce Lung, Colon Cancer Risk

Men who are fit in middle age may have lower risks of some cancers in later years, a new study finds. The study included nearly 14,000 men who were part of a long-term health study. Their average age when the study began was 49. Nearly all were white. Men were given treadmill tests to assess their fitness. After the men turned 65, researchers looked at Medicare records to see who was diagnosed with cancer. On average, they looked at 6 years of records for each man. Men who had the top fitness scores in middle age were 55% less likely to develop lung cancer than those who were least fit. They were 44% less likely to develop colorectal cancer. But they were 22% more likely than less fit men to be diagnosed with prostate cancer. The men who were most fit also had a 32% lower rate of death from lung, colorectal or prostate cancer.

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