Get Enough Vitamin D to Prevent Cancer

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Get Enough Vitamin D to Prevent Cancer

Lack of the "sunshine" vitamin has been linked to colon cancer, and studies suggest that vitamin D deficiency may contribute to other cancers, as well. Your body makes most of its own vitamin D from the sun's UVB rays (in a complicated process involving your skin, liver, and kidneys), but because you want to avoid too much sun exposure, and foods -- even D-fortified ones -- may not deliver all you need, a daily vitamin D supplement is good insurance against a shortfall. Take 1,000 international units (IU) of supplemental vitamin D3 (that's the kind your body manufactures from the sun) if you're 60 or younger; 1,200 IU if you're over 60. It can make your RealAge up to 2.5 years younger.