Home Fitness and Training Living Healthy Helps Deadly Prostate Cancers in Men at High Risk

Living Healthy Helps Deadly Prostate Cancers in Men at High Risk

Prostate Cancers

The excess genetic risk of lethal prostate cancer could be offset by adhering to a healthy lifestyle,” concluded co-lead author Anna Plym. She’s a postdoctoral research fellow at Brigham and Women’s Hospital and Harvard T. H. Chan School of Public Health in Boston.

Genetics account for about 58% of the variability in prostate cancer risk. Researchers looked at nearl tic data were available.

They also identified more than 2,100 prostate cancer cases over a median follow-up of 18 years and nearly 240 lethal prostate cancer cases over a median follow-up of 22 years. (Median means half were followed for less time, half for more.)

The study grouped men into four equal groups. Men in the group with the highest genetic-based risk were 5.4 times more likely to develop prostate cancer and 3.5 times more likely to develop lethal prostate cancer than those in the group with the lowest genetic risk.

Among men in the high-risk group, those with the healthiest lifestyles were about half as likely to develop lethal prostate cancer as those with the least healthy habits, the study found.

High-risk men who had a healthy lifestyle at the start of the study had a lifetime lethal prostate cancer incidence of 3%. That compared to 6% for high-risk men with the least healthy lifestyle, and 3% for the study population as a whole.
A healthy lifestyle was not associated with a lower risk of getting any type of prostate cancer, and did not affect men with a lower genetic risk for the disease, the research team stressed.

Plym said more study is needed to learn why a healthy lifestyle is associated with a lower chance of lethal prostate cancer in men with a high genetic risk.

One possible explanation: Gene variants that contribute to increased genetic risk also have the strongest links with lifestyle.

But Plym noted that the observational study does not prove cause and effect, only that there is an association between lifestyle and risk. As well, research presented at meetings is typically considered preliminary until published in a peer-reviewed journal.

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Source: usnews