Men who drank 6 or more cups per day had a 60% lower risk of developing the most lethal type of prostate cancer and a 20% lower risk of forming any type of prostate cancer compared to men who did not drink coffee, studies showed. Even just one to three cups per day was linked to a 30% lower risk of developing lethal prostate cancer.
The effects were the same whether the coffee was caffeinated or decaffeinated, leading researchers to believe the lower risk could be linked to the anti-oxidant and anti-inflammatory benefits of coffee.
Prostate cancer is the most commonly diagnosed form of cancer in US men, but it is not always deadly. A blood test can detect it early, and the cancer can be graded on what is known as a Gleason score; the higher the score the more likely the cancer is spread. There are 16 million survivors of prostate cancer worldwide, and one in six men in the United States will get prostate cancer during their lifetime.
Risk factors are typically linked to Western high-fat diets, heredity, alcohol and exposure to chemicals. The lower risk seen in coffee drinkers remained even after researchers allowed for other factors that typically boost risk and were more often seen in coffee drinkers than in abstainers, such as smoking and failure to exercise.
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