Cancer and vitamins

Vitamins and Supplements for Prevention of Heart Disease and Cancer

Citing over 80 studies there is no proof that primary prevention of heart disease or cancer can be achieved through vitamins and supplements. Some, like vitamin A types, may cause harm.

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Do Vitamins Reduce Cancer Risk

While the recent study about older physicians taking multivitamins showed a small reduction in cancer, the effect was modest. Here is a review of the major studies about vitamins and what they have shown.

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