Prostate Cancer Patients May Reduce the Risk of Death with Exercise A New Study Reports

logo1267406_mdA study presented at the American Association for Cancer Research Frontiers in Cancer Prevention Research Conference from December 6 to 9 by researchers from the Harvard School of Public Health reported that men with prostate cancer
who do physical activity as little as 15 minutes a day can reduce their overall mortality rates. They looked at both overall survival of men with prostate cancer and death rates specific to prostate cancer. They concluded that a moderate amount of regular exercise may improved overall survival and 5 or more hours a week of vigorous exercise may reduce the risk of death from prostate cancer.
Physical activity of 2,686 men enrolled in the Health Professionals Follow-Up Study before and after a diagnoses of prostrate cancer (men with metastases when diagnosed were excluded) was assessed. Men who participated in biking, swimming, jogging, or playing tennis about a half hour weekly had a 35% lower risk of overall mortality. Men who walked 4 or more hours weekly had a 23% lower risk of all-causes of mortality compared to men who walked less than 20 minutes a week. However, walking did not show an effect on specific prostate cancer mortality but strenuous exercise did and men who participated in 5 or more hours of vigorous physical activity weekly had a decreased risk of dying from prostate cancer.
Although the specific mechanisms of exercise on prostate cancer are unknown, the researchers said exercise is known to influence a number of hormones hypothesized to stimulate prostate cancer, improve immune functioning, and reduce inflammation. The interaction of these factors is still being. studied and more research is forthcoming.

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