Bacteriophages, in red, look like tiny aliens, with big heads and skinny bodies. They use their "legs" to stick to and infect a bacterial cell, in blue. Biophoto Associates/Science Source hide caption

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Your Gut's Gone Viral, And That Might Be Good For Your Health

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Displaced women at the Muna informal settlement outside Maiduguri. They're among more than 2 million people driven from their homes by Boko Haram attacks during northeastern Nigeria's 7-year insurgency. Ofeibea Quist Arcton/NPR hide caption

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Mylan, the maker of EpiPen, says it will sell a generic version for $300 for a two-pack, a price that consumer advocates say is still too high. The device is used to treat severe allergic reactions. Daniel Acker/Bloomberg via Getty Images hide caption

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Maker Of EpiPen To Sell Generic Version For Half The Price

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Careful audits of a representative sampling of bills from 37 Medicare Advantage Programs in 2007 have revealed some consistent patterns in the way they overbill, a Center for Public Integrity investigation finds. Nick Shepherd/Ikon Images/Getty Images hide caption

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Researchers are recruiting volunteers to participate in a four-year study trial of cocoa extract. Half of the participants will take capsules containing about as much cocoa extract as you'd get from eating about 1,000 calories of dark chocolate. Dennis Gottlieb/Getty Images hide caption

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A Chocolate Pill? Scientists To Test Whether Cocoa Extract Boosts Health

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Prevention 'Is The Key' In Fighting Zika, Surgeon General Says

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Microcephaly Could Be Just The Tip Of The Effects Of Zika Virus

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Mother Calls EpiPen Price Hike 'A Matter Of Life And Death'

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Rising U.S. Mortality Rate For Mothers Is Highest In Texas

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A New Course At Arkansas Colleges: How To Not Get Pregnant

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Ramen will buy anything from smuggled fruit to laundry services from fellow inmates, a study at one prison finds. It's not just that ramen is tasty: Prisoners say they're not getting enough food. DigiPub/Getty Images hide caption

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The FDA says that facilities that collect blood donations throughout the United States should be testing donations for Zika within 12 weeks. Toby Talbot/AP hide caption

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All U.S. Blood Donations Should Be Screened For Zika, FDA Says

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Andy Puddicombe on the TED stage. Courtesy of TED hide caption

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When Was The Last Time You Did Absolutely Nothing?

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Lenroy Watt talks with residents of Miami's Little Haiti about Zika, leaving brochures in Creole about how to prevent the illness, as well as phone numbers for local mosquito control agencies and the county health department. Courtesy of Planned Parenthood hide caption

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Planned Parenthood Joins Campaign To Rid Miami Neighborhoods Of Zika

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