The 12 Best Ways to Prevent Colorectal Cancer


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Get enough calcium and vitamin D

Adequate amounts of calcium and vitamin D may help prevent colorectal cancer—but don't overdo it.

It's a "reasonable approach" to stick with the recommended daily allowance of both nutrients (1,000 mg of calcium for women 19 to 50 years old and men 19 to 70; 1,200 mg daily of calcium for women at 50-plus and men 70 and over; 600 International Units of vitamin D for women and men until age 70, when they should start getting 800 IU of vitamin D), says Durado Brooks, MD, director of colorectal and prostate cancers at the American Cancer Society, in Atlanta.

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