Paul Rider runs on Mulholland Drive in Los Angeles, March 25, 2011. Researchers say a moderate running regimen is actually beneficial for the joints of people with healthy knees. Dennis J. Provost for NPR hide caption

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Dennis J. Provost for NPR

Put Those Shoes On: Running Won't Kill Your Knees

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An airline passenger wears a mask to protect against viruses. Passengers are at risk of becoming infected in the airplane's cabin, just as they would be in any crowded, confined space. Eitan Abramovich/AFP via Getty Images hide caption

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Eitan Abramovich/AFP via Getty Images

Why Some People Evade Colds And Others Don't

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This tiny telescope gets implanted in one eye and magnifies the image to make up for "holes" in the person's vision. It can greatly improve sight for some people with age-related macular degeneration. Courtesy VisionCare Ophthalmic Technologies hide caption

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Courtesy VisionCare Ophthalmic Technologies

Tiny Eye Telescope Brings Back A World Of Sight

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Many people with a hoarding anxiety disorder need to take baby steps in order to cope with organization — like cleaning a bit at a time, rather than getting rid of everything at once. Grap/Wikimedia Commons hide caption

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Grap/Wikimedia Commons

For Hoarders, The Mess Begins In The Mind

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For Some, Lasik Brings More Problems Than Solutions

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To Help Healing, Doctors Pay More Attention To Pain

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White Wine Stains Teeth, Too

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Gut Reaction: Overeating Can Impair Body Function

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Measles, Once Declared At An End, Makes A Return

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U.S. Childhood Obesity Rates Level Off

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Toddlers Outsmart Chimps in Some Tasks, Not All

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Study: Glucosamine Doesn't Relieve All Joint Pain

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Canada Pulls ADHD Drug Adderall

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Study: Medical Bills Spur Slew of Personal Bankruptcies

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