Physical activity protects prostate in white men only

CAUCASIAN men who engage in moderate to high levels of exercise every week are half as likely to develop prostate cancer as men who are more sedentary, US researchers have found.

The study of 300 war veterans undergoing biopsy for prostate cancer also showed that among men who did have a prostate malignancy, those who engaged in more physical activity had a slightly reduced risk of having a high grade tumour compared to those who exercised less often.

However, while the link between activity and protection from cancer held true for Caucasians it did not apply to African-Americans. This may be one explanation of why African-American race is an independent risk for prostate cancer, the authors said.

Cancer 2013; online 11 Feb

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