High consumption of dairy products linked to increased prostate cancer risk: Mayo Clinic research

According to the American Institute of cancer research, Prostate cancer is the second most commonly occurring cancer in men and the fourth most commonly occurring cancer overall. There were 1.3 million new cases in 2018. Age-adjusted incidence rates of prostate cancer have increased dramatically and this is largely because of the increased availability of screening for prostate-specific antigen (PSA) in men without symptoms of the disease.

The study authors found no clear association of increased risk of prostate cancer linked to other animal-based foods, including red and white meat, processed meats and fish. However, they identified a decreased risk of prostate cancer associated with plant-based diets.

"Our review highlighted a cause for concern with high consumption of dairy products," says John Shin, MD, a Mayo Clinic oncologist and lead author on this study. "The findings also support a growing body of evidence on the potential benefits of plant-based diets."

The researchers reviewed 47 studies published since 2006, comprising more than 1,000,000 total participants, to better understand the risks of prostate cancer associated with plant- and animal-based foods. While patterns of association emerged, Dr. Shin says more investigation is needed to understand the nature and strength of those associations.

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