Pedometer, an app, keeps track of your steps, distance traveled and calories burned. Benjamin Morris/NPR hide caption

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When Does An App Need FDA's Blessing?
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Human embryos under a microscope at an IVF clinic in La Jolla, Calif. Sandy Huffaker/Getty Images hide caption

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Can IVF Treatments Reverse A Woman's Biological Clock?
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FDA Approves First New Weight-Loss Drug In More Than A Decade
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Which one of these sunscreens would be considered safe and correctly labeled by the Food and Drug Administration? Not a single one. Safe sunscreens are SPF15 or higher, and the new rules require those with broad-spectrum protection to include the term next to and in the same style as the sun protection factor. Benjamin Morris/NPR hide caption

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Consumers Stuck With Murky Sunscreen Labels Another Summer
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Finally, A Map Of All The Microbes On Your Body
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A woman pours two tablets into her hand from a pill bottle. iStockphoto.com hide caption

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Panel Questions Benefits Of Vitamin D Supplements
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Isabel Doran, 4, gets a CT scan at Children's National Medical Center with her mom, Veronica Doran. The X-ray radiation in CT scans raises the risks for cancer, including leukemia, a new study shows. Dayna Smith/The Washington Post/Getty Images hide caption

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CT Scans Boost Cancer Risks For Kids
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Amber Cooper lives in Modesto, Calif., with her 5-year-old son, Jaden, and her husband, Kevin. She had a liver transplant when she was 10 years old and has to take anti-rejection medication. Deanne Fitzmaurice for NPR hide caption

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Health Insurance Cutbacks Squeeze The Insured
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Karlton Hill, 15, was diagnosed with diabetes when he was 12. He works hard to manage the disease: He jogs and does pushups every day; he takes metformin is very careful about what he eats. Leslie Capo/LSU Health Sciences Center hide caption

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A Dire Sign Of The Obesity Epidemic: Teen Diabetes Soaring, Study Finds
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Bring on the caffeine — maybe. antwerpenR/Flickr.com hide caption

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Can Coffee Help You Live Longer? We Really Want To Know
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Michelle Salvini (left) and Terri DiCarlo take a break from work outside the Cornerstone Care clinic in Burgettstown, Pa. Mysterious fumes have repeatedly sickened clinic staffers, forcing them to evacuate the building several times. Maggie Starbard/NPR hide caption

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Sick From Fracking? Doctors, Patients Seek Answers
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Karen Lindsfor, a professor of radiology and chief of breast imaging at the University of California, Davis Medical Center, examines the mammogram of a patient with heterogeneously dense breast tissue. Lindfors is among those doctors who say there was insufficient evidence to support the idea that additional screenings would detect cancers earlier. Rich Pedroncelli/AP hide caption

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Studies Reignite Mammography Debate For Middle-Aged Women
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Connor Galloway, age 12, was found dead in his bedroom with a belt looped around his neck. Connor's friends admitted to his mother that they'd been talking about playing "the choking game." Courtesy of the Galloway family hide caption

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Deadly 'Choking Game' Comes With Big Risks
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This illustration shows a device made by MammoSite used to deliver targeted doses of radiation as part of brachytherapy. Courtesy Radiological Society of North America hide caption

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Wider Use Of Breast Cancer Radiation Technique Raises Concern
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A Struggle To Define 'Death' For Organ Donors
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