There are legal questions about how far employers can go to encourage participation in wellness programs. Bjorn Rune Lie/Ikon Images/Getty Images hide caption

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Dr. David Muller, dean of medical education at Mount Sinai, believes that including in each medical school class some students who have a strong background in the humanities makes traditional science students better doctors, too. Cindy Carpien for NPR hide caption

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Maria Fabrizio for NPR

Retired California school teacher Mikkel Lawrence sits with his cat, Max. Lawrence has hepatitis C and has struggled to afford the medicine he needs to treat it. April Dembosky/KQED hide caption

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Sales of prescription opioid painkillers have quadrupled since 1999, according to the Centers for Disease Control and Prevention. Rich Pedroncelli/AP hide caption

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Stephanie and Brian Packer make lunch with their children, Brian, 11, Savannah, 5, Scarlett, 10, and Jacob, 8. Stephanie O'Neill/KPCC hide caption

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Sen. Chuck Grassley has questions about what the feds are doing to investigate allegations of Medicare Advantage fraud. Drew Angerer/Getty Images hide caption

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