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colorectal cancer

A serving of salmon contains about 600 IUs of vitamin D, researchers say, and a cup of fortified milk around 100. Cereals and juices are sometimes fortified, too. Check the labels, researchers say, and aim for 600 IUs daily, or 800 if you're older than 70. Dorling Kindersley/Getty Images/Dorling Kindersley hide caption

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Dorling Kindersley/Getty Images/Dorling Kindersley

Does Vitamin D Really Protect Against Colorectal Cancer?

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A genetic test could spare many women with a common form of breast cancer from receiving chemotherapy. SPL/Science Source hide caption

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SPL/Science Source

Doctors Scrutinize Overtreatment, As Cancer Death Rates Decline

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Immunofluorescent light micrograph of human colon cancer cells, highlighting the nucleus of each cell in pink. U.S. doctors have been seeing an increase in colorectal cancer cases — and deaths — among people under age 50. SPL/Science Source hide caption

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SPL/Science Source

Get Screened Earlier For Colorectal Cancer, Urges American Cancer Society

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Patients with a history of polyps who need more subsequent tests may have to pick up some of those costs. PeopleImages/Getty Images hide caption

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PeopleImages/Getty Images

After a Cologuard screening test for colon cancer comes back positive, patients may have to pay for additional diagnostic tests. Exact Sciences hide caption

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Exact Sciences

Before your doctor gets to this, make sure he'll bill the colonoscopy as a screening test rather than a diagnostic one. Sebastian Schroeder/iStockphoto.com hide caption

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Sebastian Schroeder/iStockphoto.com

Can A Colon Cancer Test Level The Playing Field For Alaska Natives?

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Before the colonoscopy begins, it pays to ask your doctor some pointed questions. Sebastian Schroeder/iStockphoto.com hide caption

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Sebastian Schroeder/iStockphoto.com