Keith Gresham, 65, lines up four medications he takes at his home in Detroit in 2011. The self-employed painter was without health insurance for about a decade and was happy to finally turn 65 last year so he could qualify for Medicare. Patricia Beck/MCT/Landov hide caption

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The Hidden Costs Of Raising The Medicare Age
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This gentleman may want to have a chat with his cardiologist. Bill Losh/Getty Creative Images hide caption

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Not many elderly people get long-term care insurance. It's expensive and many hope their kids will look after them instead. iStockphoto.com hide caption

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States Iron Out The Kinks In Long-Term Care Insurance
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HHS found that 19 percent of nurse aides who'd been disciplined had a prior conviction that would have shown up on a background check. Matt Rourke/AP hide caption

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More elderly drivers will hit the road in the next decade, but family members wonder: When is it time for elderly loved ones to move to the passenger seat? Martin Novak/iStockphoto.com hide caption

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When Should Seniors Hang Up The Car Keys?
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Sam Berns, 15, who has the very rare premature-aging disease progeria, plays the drums in his high school's marching band. Courtesy of the Progeria Research Foundation hide caption

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Experimental Drug Is First To Help Kids With Premature-Aging Disease
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A rhesus monkey eats watermelon, provided by zookeepers, at the Kamla Nehru Zoological Gardens in India in May 2012. Sam Panthaky/AFP/Getty Images hide caption

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Subtracting Calories May Not Add Years To Life
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Sleepless Nights May Put The Aging Brain At Risk Of Dementia
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The latest data paint a brighter picture of aging in America. Lisa F. Young/iStockphoto.com hide caption

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HIV treatment regimens, like the pills in this patient's hand, keep AIDS at bay, but can take a harsh physical toll over the course of many years. Amy Sancetta/AP hide caption

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Treatment Gives HIV's Long-Term Survivors Hope, But Takes A Toll
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Bacteroides species are some of the most common bacteria in the human gut. Enviornmental Health Perspectives hide caption

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Thriving Gut Bacteria Linked To Good Health
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