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An official at the University of Michigan Health System in Ann Arbor says its mix of patients helps explain the infection rates.Scott C. Soderberg/Courtesy of University of Michigan Health Systemhide caption
Did worries about financial stability get more men to say no to fatherhood?iStockphotohide caption
Some Parkinson's drugs can trigger gambling problems that lead to bankruptcy.ImageZoo/Corbishide caption
Meghan, 23, began experiencing hallucinations at 19. "Driving home, cars' headlights turned into eyes. The grills on the cars turned into mouths and none of them looked happy. It would scare the crap out of me," Meghan says.Marvi Lacar for NPRhide caption
A passenger wearing a face mask arrives at Los Angeles International Airport Friday. Federal officials now require people traveling from West Africa to enter the U.S. at one of five airports equipped to screen them for signs of Ebola. Mark Ralston /AFP/Getty Images hide caption
Researcher Svante Pääbo, was able to extract a complete genome from this ancient human leg bone. Bence Viola/Max Planck Institute for Evolutionary Anthropology hide caption
Even versions of Zi Xiu Tang Bee Pollen labeled "genuine" and "anti-counterfeit" have been found to contain the drug sibutramine, which was supposed to come off the U.S. market in 2010 for safety reasons. Food and Drug Administration hide caption
This experimental Ebola vaccine, developed by the U.S. government, is just one of several undergoing small-scale, preliminary testing. University of Maryland School of Medicine/AP hide caption
An official at the University of Michigan Health System in Ann Arbor says its mix of patients helps explain the infection rates. Scott C. Soderberg/Courtesy of University of Michigan Health System hide caption
Did worries about financial stability get more men to say no to fatherhood? iStockphoto hide caption
The California Public Employees' Retirement System has capped how much it will pay for some common medical procedures and tests. Max Whittaker/Getty Images hide caption
The cruise ship Carnival Magic floats behind a catamaran off Cozumel, Mexico on Oct. 17. The ship skipped a planned stop there Friday, the cruise line says, after Mexican authorities delayed granting permission to dock. Reuters/Landov hide caption
Some Parkinson's drugs can trigger gambling problems that lead to bankruptcy. ImageZoo/Corbis hide caption
Smartphones can now capture high-quality images of the front and back of an eye. Courtesy of David Myung hide caption
Meghan, 23, began experiencing hallucinations at 19. "Driving home, cars' headlights turned into eyes. The grills on the cars turned into mouths and none of them looked happy. It would scare the crap out of me," Meghan says. Marvi Lacar for NPR hide caption
Avian influenza, or bird flu, causes an infectious and contagious respiratory disease. In the lab, several scientists have made the H5N1 strain more contagious, a controversial line of research. James Cavallini/ScienceSource hide caption
The Ebola virus as seen under an electron microscope. BSIP/UIG via Getty Images hide caption
Members of the California Nurses Association rallied in Sacramento, Calif., in May, in anticipation of contract negotiations with Kaiser Permanente that began in this fall. April Dembosky / KQED hide caption
One rationale for extending Medicaid coverage to more people is to help them get to a doctor or clinic before a minor illness becomes a medical emergency. iStockphoto hide caption
A view of the rewards screen on the Mango Health app. Meredith Rizzo/NPR hide caption
When people see charts like this, they think the drug is more effective than if they just read about the data, a study finds. Source: Cornell University hide caption
A doctor uses a microscrope to view a human egg during in vitro fertilization (IVF), which is used to fertilize eggs that have been frozen. Mauro Fermariello/ScienceSource hide caption
An ambulance carrying Amber Vinson, the second health care worker to be diagnosed with Ebola in Texas, arrives at Emory University Hospital in Atlanta on Wednesday. David Tulis/AP hide caption