Health care delivery is expected to change, with more care provided by nurse practitioners and fewer people having a doctor for life. Images.com/Corbis hide caption

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How Our Stone Age Bodies Struggle To Stay Healthy In Modern Times

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U.S. House Majority Leader Rep. Eric Cantor (center) and colleagues gather before a Sunday vote on Capitol Hill. The House passed two new provisions to a federal spending bill to delay Obamacare for a year and to repeal the medical device tax. Alex Wong/Getty Images hide caption

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A student gets vaccinated against pertussis at a Los Angeles middle school in 2012. The state required that students be immunized to halt an epidemic of whooping cough. Kevork Djansezian/Getty Images hide caption

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No envelope backs required for this health care calculation. iStockphoto.com hide caption

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'How Much Will Obamacare Cost Me?' Try Our Calculator

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The audience concentrates on a presentation by Kansas Insurance Commissioner Sandy Praeger's office about the federal health care overhaul at the University of Kansas satellite campus in Overland Park, Kan., earlier this month. John Hanna/AP hide caption

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Insurance Exchange 101: Here's What You Need To Know

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Kombucha made by artisan tea brewer Bill Bond in Akron, Ohio, comes in an array of flavors, such as lemongrass, ginger, blueberry and watermelon. Peggy Turbett/The Plain Dealer /Landov hide caption

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Kombucha: Magical Health Elixir Or Just Funky Tea?

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A broken hip like the one at left is a big health worry for older women. iStockphoto.com hide caption

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Texas Sen. Ted Cruz leaves the weekly Senate Republican Policy Committee luncheon Tuesday, shortly before beginning a filibuster against Obamacare. Alex Wong/Getty Images hide caption

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Would A Federal Shutdown Delay Health Care Exchanges?

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CPAP masks have become much more comfortable than in years past, doctors say. But most of the time, they're probably not the first thing to try for sleep apnea. iStockphoto.com hide caption

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That's how it's supposed to work. But for most new moms, breast-feeding doesn't come easily, a study finds. iStockphoto.com hide caption

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