Did the SELECT study show that vitamin E causes prostate cancer?

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Dwight L. McKee, MD
Hematology & Oncology
Headlines about the SELECT (Selenium and Vitamin E Cancer Prevention Trial) study screamed VITAMIN E CAUSES PROSTATE CANCER. But that's not what the study found. The study only showed that large doses of a certain type of vitamin E failed to prevent prostate cancer and may have caused a slight increased risk for the disease. Some cancer specialists weren't persuaded by the findings that vitamin E supplements pose a threat. Earlier studies suggest that small doses of another form of vitamin E, called d-alpha-tocopherol succinate, may lower the risk for prostate cancer. 

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