Connor Perruccello-McClellan, a senior at Providence Country Day School in Rhode Island, has been vaccinated against HPV, something less than 1 percent of U.S. males can say. Richard Knox/NPR hide caption

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Nurse Susan Peel gives a whooping cough vaccination to a student at Inderkum High School in Sacramento, Calif., in 2011. Now it seems likely such shots will become routine for senior citizens, too. Rich Pedroncelli/AP hide caption

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Drinking on screen, even in a cautionary tale like The Hangover Part II, can encourage kids to try drinking, according to new research. Melinda Sue Gordon/Warner Bros. Entertainment Inc. hide caption

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Surgeons often need specially designed tools to operate on small children. istockphoto.com hide caption

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Wanted: Specially Designed Tools For Pediatric Surgery

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Dr. John McBride examines 9-month-old Martez after his mother, Ceasha Moorer, brought him in to check on his asthma. Courtesy of Karen Schaefer hide caption

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Does Tylenol Worsen Asthma For Kids?

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More than a half-million bottles of Tylenol for babies have been recalled because of complaints about a new system for getting the dose right. The doughnut-like receptacle for the syringe seen in the neck of the bottle can get pushed down into the liquid medicine. Johnson & Johnson hide caption

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Many hospitals are perilously close to running out of a form of methotrexate that's necessary to inject in high doses to treat certain forms of cancer. iStockphoto.com hide caption

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Latest Drug Shortage Threatens Children With Leukemia

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