SWAT team members stand guard on the campus of Massachusetts General Hospital following the explosions at the finish line of the Boston Marathon. Michael Dwyer/AP hide caption

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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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Dr. Martha Twaddle talks to a patient and strokes her hair during a visit at the Midwest Palliative and Hospice CareCenter in Skokie, Ill., in 2012. Antonia Perez/MCT /Landov hide caption

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The Frank H. Netter School of Medicine at Quinnipiac University in Hamden, Conn., will open this fall. The school has a specific mission: minting doctors who want to go into primary care practice. Quinnipiac University hide caption

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Frequent spitting up affects about half of babies under six months, but it's usually not gastroesophageal reflux disease, or GERD. iStockphoto.com hide caption

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Chris Colwell, director of emergency medicine at Denver Health, has treated victims from two of the deadliest mass shootings in the U.S. He says he's deeply disturbed by how easy it is to get guns. Barry Gutierrez/for NPR hide caption

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Dr. Frank Dumont at his clinic in Estes Park, Colo. Barry Gutierrez for NPR hide caption

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Group therapy is popular in mental health circles. Are group appointments for medical conditions worth a try? iStockphoto.com hide caption

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Posters like this one tell patients in New York City emergency rooms what to expect when it comes to painkiller prescriptions. New York City Health Department hide caption

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It's unlikely that July patients are paying for residents' inexperience with their lives. iStockphoto.com hide caption

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Partnerships instead of short-term help: Jean Jumeau Batsch, an obstetrician-gynecologist in Port-au-Prince, Haiti, is collaborating with Dr. Ambereen Sleemi, from New York City, to build a training program for Haitian OB-GYNs. Courtesy of Dr. Ambereen Sleemi. hide caption

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If you bought this 1954 Buick when it was new, the price was just about as mysterious as it is today for hip replacement surgery. Hugo90/Flickr hide caption

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