How does the doctor decide what to write on the prescription pad? iStockphoto.com hide caption

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Dr. Michael Fleming, past president of the American Academy of Family Physicians, considered himself obese when this photo was taken in 2004. He led efforts by doctors to lose weight. Mario Villafuerte/Getty Images hide caption

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Going to the doctor may be uncomfortable for people who are worried about weight. iStockphoto.com hide caption

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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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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

itoggle caption New York City Health Department