By taking antiretroviral drugs during pregnancy, this Tanzanian mother lowered the risk of passing HIV to her daughter. Siegfried Modola/AFP/Getty Images hide caption

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Many homes that were rebuilt after the earthquake in 2010 are even more dangerous than the original ones. This three-story home was put up after the quake but is already slated for demolition to make way for an 18-unit housing project. David Gilkey/NPR hide caption

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A guinea pig does its part for science and human relations by sitting on the lap of an autistic child. Erin Burnett/Courtesy of Maggie O'Haire hide caption

itoggle caption Erin Burnett/Courtesy of Maggie O'Haire

Yvonne Condes helps her son Alec get ready for baseball practice. David Gilkey/NPR hide caption

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Rates for female applicants could be up to 40 percent higher under Genworth Financial's new pricing policy. iStockphoto.com hide caption

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For some kids who grow up in poverty, the bond developed with Mom is especially important in dealing with stress. iStockphoto.com hide caption

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As an armchair disease detective, you don't have to bother with mundane tasks, like culturing fluorescent bacteria or interviewing the ill. Centers for Disease Control and Prevention hide caption

itoggle caption Centers for Disease Control and Prevention

Have a talk about avoiding drug use early and often. And don't overshare. iStockphoto.com hide caption

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Plan B is one of two emergency contraceptives available in the U.S. UPI/Landov hide caption

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Health officials around the world are on constant lookout for the deadly bird flu. Here a worker collects chickens on a farm in Kathamndu, Nepal, where the virus was suspected of infecting poultry last October. Prakas Mathema/AFP/Getty Images hide caption

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Florida Gov. Rick Scott, long a foe of the administration's health overhaul, reversed course and agree to accept federal funds to expand Medicaid in the state. J Pat Carter/AP hide caption

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