Jen Regan strokes the head of her fiancée, Marc Fucarile, as he sleeps in his hospital bed at Massachusetts General Hospital. Fucarile was injured in the bombings at the Boston Marathon, and had to have his right leg amputated. Bill Greene/Boston Globe via Getty Images hide caption

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A construction worker paints walls at the Maryland Proton Treatment Center in Baltimore. Each of the center's five rooms will contain a massive piece of equipment that will rotate around a cancer patient to deliver a special kind of radiation. Jenny Gold/Kaiser Health News hide caption

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Patients wait in line at Nuestra Clinica Del Valle in San Juan, Texas, in September 2012 file photo. A study released on Wednesday finds that immigrants, particularly noncitizens, heavily subsidize Medicare, and that policies that restrict immigration may deplete Medicare's financial resources. Eric Gay/AP hide caption

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The Supreme Court declined to intervene in a case involving Medicaid payments to Planned Parenthood. J. Scott Applewhite/AP hide caption

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The number of eyelid lifts reimbursed by Medicare more than tripled from 2001 to 2011, according to the Center for Public Integrity. Here, a woman is prepared for the procedure, along with an eyebrow lift. Media for Medical/UIG via Getty Images hide caption

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President Obama speaks about the Affordable Care Act at the White House on May 10. Mandel Ngan/AFP/Getty Images hide caption

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Evidence is growing that bariatic surgery reduces health risks of obesity. Life in View/Science Source hide caption

itoggle caption Life in View/Science Source