Acetaminophen has been added to the list of over-the-counter painkillers that can cause rare but deadly skin reactions. Paul Sancya/AP hide caption

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Buzz, Georgia Tech's mascot, wasn't the only bug in the students' midst last fall. An outbreak of bacterial pneumonia sickened at least 83 in what the CDC called the largest known outbreak at a university in 35 years. Collegiate Images/Getty Images hide caption

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All in the name of science: Volunteers hike in Colorado during their one-week hiatus from electrical lighting. Courtesy of Kenneth Wright hide caption

itoggle caption Courtesy of Kenneth Wright

"We just thought we were telling this endearing story women could relate to," says HelloFlo founder Naama Bloom. Courtesy of HelloFlo hide caption

itoggle caption Courtesy of HelloFlo

The bite of a cobra can paralyze its victims and, if enough venom is released, fatally stop their breathing. It's estimated that more than 75 percent of patients in India who die from a snake's bite never make it to the hospital. STRDEL/AFP/Getty Images hide caption

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More than three quarters of new babies get at least a start at breast-feeding, according to the CDC. iStockphoto.com hide caption

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Ali Maow Maalin said he avoided getting the smallpox vaccine as a young man because he was afraid of needles. He didn't want others to make the same mistake with polio. Courtesy of the World Health Organization hide caption

itoggle caption Courtesy of the World Health Organization

Laura Molina, 9, shows the mask she created expressing the feeling of "sadness." Her mother is being treated for breast cancer at the Lyndon B. Johnson public hospital in Houston. Carrie Feibel/KUHF hide caption

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Angelina Jolie took a genetic test to find out her risk of breast cancer, and had a preventive double mastectomy. Alastair Grant/PA Photos /Landov hide caption

itoggle caption Alastair Grant/PA Photos /Landov