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A dairy-heavy diet has been associated with a higher risk of prostate cancer.
Researchers have reviewed 47 studies published since 2006, comprising of more than one million participants, in an attempt to better understand links between prostate cancer and plant or animal-based foods.
Accordingly, it was discovered that high consumption of dairy products, like milk and cheese, appears to be connected with an increased risk of prostate cancer, which typically affects men over the age of 50.
"Our review highlighted a cause for concern with high consumption of dairy products," stated lead author Dr. John Shin, a Mayo Clinic oncologist. "The findings also support a growing body of evidence on the potential benefits of plant-based diets."
There was no clear association of increased risk of prostate cancer in relation to other animal-based foods, including red and white meat, processed meats and fish. But the researchers did identify a decreased risk of prostate cancer associated with plant-based diets.
Dr. Shin and his team now want to conduct a further investigation into the topic.
And the doctor noted that prior studies have reported that dairy products are the primary source of calcium in Western countries, where rates of prostate cancer are high, while there are lower rates of the disease in Asian countries, where dairy intake is low.
Prostate cancer develops in the prostate, a gland in the male reproductive system. Symptoms include an increased need to urinate and a feeling like the bladder has not fully emptied. Men should contact their GP immediately if they are concerned.