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

In the future, physician assistants like Jim Love could could be playing a bigger role in primary care. Julie Rovner/NPR hide caption

itoggle caption Julie Rovner/NPR

Food safety experts traced the salmonella outbreak to Wright County Egg, near Galt, Iowa, which is one of two companies whose eggs are believed to have been contaminated. More than 500 million eggs have been recalled. Nirmalendu Majumdar/AP hide caption

itoggle caption Nirmalendu Majumdar/AP

Dr. Cathy Crute, who has her own practice in Maine, says she brings a personal touch to primary care. Emilie Sommer for NPR hide caption

itoggle caption Emilie Sommer for NPR

Breast cancer survivors from the Pink Ladies of Charles County in Maryland dance at a Komen Community Challenge rally on Capitol Hill in Washington, D.C. Karen Bleier/AFP/Getty Images hide caption

itoggle caption Karen Bleier/AFP/Getty Images

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

itoggle caption iStockphoto.com

Strength training not only builds muscle, it also generates new muscle nuclei. According to a new study, these nuclei stick around even when muscle mass goes away. iStockphoto.com hide caption

itoggle caption iStockphoto.com