Lee Swanson Research Update

Vitamin D Prevents Prostate Cancer

July 2005

green tea

If a man lives long enough, chances are he will develop prostate cancer. In cases of slowly developing prostate cancer in older men, it's accepted that the effects of treatment on longevity are no better than not treating the disease. That's not true of all forms of the disease, however. Some types of prostate cancer are extremely aggressive.

New data from the Physician's Health Study (Brigham and Women's Hospital, Boston, and Harvard University) showed that men with higher blood levels of vitamin D had a reduced risk of getting the aggressive form of prostate cancer. The research shows the importance of regular exposure to sunlight and insuring adequate amounts of vitamin D in the diet (through foods or supplements).

Researchers noted that prostate cancer is higher in the northern latitudes where men get less sunshine and among black men whose skin absorbs less ultraviolet light.

Paper presented at 2005 Multidisciplinary Prostate Cancer Symposium, Orlando, FL

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