For women who carry certain genes, getting a double mastectomy before anything shows up on a mammogram may reduce breast and ovarian cancer risk. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Birth control pills are often marketed as doing much more than prevent pregnancy. The drugs also claim to treat acne, moodiness and bloating. But some researchers caution that these benefits do not outweigh the health risks known to accompany taking the pill. iStockphoto.com hide caption

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Bottles of drugs fill shelves at the storeroom of Kohll's Pharmacy & Homecare in Omaha, Neb. A new study found that while 94 percent of patients are getting written information with their prescriptions, only 75 percent of them are getting information that's considered useful. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP