Dr. Jame Abraham used positron emission tomography, or PET, scans to understand differences in brain metabolism before and after chemotherapy. Dr. Jame Abraham hide caption

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Another Side Effect Of Chemotherapy: 'Chemo Brain'

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Visitors to one Kansas City hospital will no longer be able to buy a Big Mac on the premises. Keith Srakocic/AP hide caption

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The number of new drug shortages each year in the U.S., from 2001 through Dec. 21, 2012. University of Utah hide caption

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How A Drug Shortage Hiked Relapse Risks For Lymphoma Patients

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Brain scans using Amyvid dye to highlight beta-amyloid plaques in the brain. Clockwise from top left: a cognitively normal subject; an amyloid-positive patient with Alzheimer's disease; a patient with mild cognitive impairment who progressed to dementia during a study; and a patient with mild cognitive impairment. Slide courtesy of the journal Neurology hide caption

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Despite Uneven Results, Alzheimer's Research Suggests A Path For Treatment

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Does bell pepper and black tea sound appetizing? A computer may think so. Ryan Smith/NPR hide caption

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Computers May Someday Beat Chefs At Creating Flavors We Crave

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Doctors used a type of MRI test to look at the blood vessels in the brain of a woman with dystextia. The test confirmed she was suffering from a stroke on the right side of her brain Archives of Neurology hide caption

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Photographer David Blackwell and his wife prepared for the apocalypse. Cats and cat food? Check. Toilet paper? Check. Exploding volcanoes and hurtling asteroids? Not so much. David Blackwell/Flickr hide caption

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Food companies have begun quietly reducing salt in regular foods because low-salt items like these don't sell as well. Mel Evans/AP hide caption

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Big Food And The Big, Silent Salt Experiment

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Reverend Run: From Rapper To Preacher

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The contents of a box of some of the new foods containing caffeine collected by the Center for Science in the Public Interest. Karen Castillo Farfán/NPR hide caption

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Not Just For Coffee Anymore: The Rise Of Caffeinated Foods

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