Physical activity reduces the risk of developing prostate cancer by half

Physical activity reduces the risk of developing prostate cancer by half

The largest study to date has shown that physical activity reduces the risk of developing prostate cancer by half. Scientists used genetic research methods, which increases the reliability of their data. The scientific work was published in the International Journal of Epidemiology.

 

The study covered 140 thousand men over the age of 50. 57% of them developed prostate cancer. Scientists examined the influence of 22 risk factors for the disease from a list developed by the World Cancer Research Fund.

 

To obtain reliable results, the authors used a genetic research method - Mendeleev randomization. They looked at how often people with certain gene variations (predicting their physical activity, diet, blood lipid and iron levels, and others) developed prostate cancer.

 

Men with two DNA variations associated with higher physical activity were 51% less likely to develop prostate cancer than those without the genes. Scientists say these results suggest the benefits of all physical activity, not just intense exercise.

 

Dr Sarah Lewis from Bristol Medical School, lead author of the study, said:

 

“This is the largest study of its kind to date and uses a relatively new method that complements ongoing observational studies in understanding what causes prostate cancer. It shows that physical activity may have a stronger effect than previously thought. We hope this motivates men to be more active."

 

Previous studies have already shown that physical activity is associated with a reduced risk of colon cancer, uterine cancer, and breast cancer. But until the new study, evidence of its preventive power against prostate cancer was weak.

 

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