Rep. Tom Price (center) appeared in early 2016 before the House Rules Committee, when he sponsored legislation that would repeal President Obama's signature health care law. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Diazepam, also known as Valium, is used to treat anxiety and insomnia. But when combined with opioids, it can suppress breathing and cause death. Universal Images Group/Getty Images hide caption

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Universal Images Group/Getty Images

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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Toby Talbot/AP

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

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A Pennsylvania woman developed a urinary tract infection cased by Escherichia coli bacteria that were found to be resistant to colistin, an antibiotic that is seen as the last line of defense. Nature's Geometry/Science Source hide caption

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Nature's Geometry/Science Source

In a study of 1.3 million women, ages 40 to 74, having a false positive on a screening mammogram was associated with a slightly increased chance that the woman would eventually develop breast cancer. The extra risk seemed to be independent of the density of her breasts. Lester Lefkowitz/Getty Images hide caption

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Lester Lefkowitz/Getty Images

False Alarm Mammograms May Still Signal Higher Breast Cancer Risk

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