An overweight child reads her part during a skit that was in a 2010 program promoting healthy lifestyles sponsored by Children's Hospital near Denver. John Moore/Getty Images hide caption

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In a push to improve quality, Medicare will pay some hospitals more and others, including Boston's Massachusetts General, less. Steven Senne/AP hide caption

itoggle caption Steven Senne/AP

An employee tidies boxes of medicines displayed in a pharmacy in the city of Caen in western France last month. Beginning in 2013, girls between the ages of 15 and 18 will be able to get birth control free of charge, and without parental notification. Charly Triballeau/AFP/Getty Images hide caption

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Gov. Bill Haslam speaks to reporters after announcing in Nashville, Tenn., on Monday that that he had decided against creating a state-run health insurance exchange. The Republican governor said he will leave it to the federal government to run the marketplace. Erik Schelzig/ASSOCIATED PRESS hide caption

itoggle caption Erik Schelzig/ASSOCIATED PRESS

Rep. Henry Waxman, D-Calif., speaks Tuesday at a news conference calling for no reduction in the Medicare and Medicaid budgets, as part of the year-end budget talks on Capitol Hill in Washington. Waxman said he does not support means testing for Medicare. Joshua Roberts/Reuters /Landov hide caption

itoggle caption Joshua Roberts/Reuters /Landov

Sen. Tom Harkin, D-Iowa, speaks Tuesday as Rep. Elijah Cummings, D-Md., Sen. Sheldon Whitehouse, D-R.I., Sen. Al Franken, D-Minn., and Sen. Ben Cardin, D-Md., listen during a news conference on Capitol Hill calling for no reduction in the Medicare and Medicaid budgets as part of the year-end budget talks. Joshua Roberts/Reuters /Landov hide caption

itoggle caption Joshua Roberts/Reuters /Landov

Arkansas Gov. Mike Beebe speaks about expanding Medicaid during a speech to the Arkansas State Chamber of Commerce in Little Rock, Ark., on Nov. 14. The federal government hasn't set a deadline for states to decide on their Medicaid expansion plans. Danny Johnston/AP hide caption

itoggle caption Danny Johnston/AP

The Centers for Disease Control and Prevention says the accidental release of chlorine gas at a Tyson Food plant could have been prevented with better communication. April L Brown/AP hide caption

itoggle caption April L Brown/AP