A man holds a sample of the opioid antidote Narcan during a training session at a New York City Department of Health and Mental Hygiene office in March. Kena Betancur/AFP/Getty Images hide caption
NPR-Truven Health Analytics Health Poll
A sample of saliva can unlock details about a person's genetic makeup. Andrew Brookes/Cultura RF/Getty Images hide caption
POLL: Genealogical Curiosity Is A Top Reason For DNA Tests; Privacy A Concern
Are we choosing foods that could be healthy in moderation, but eating too much of them? Diane Labombarbe/Getty Images hide caption
Most people who say they've had a concussion say they sought out medical care at the time. Science Photo Libra/Getty Images hide caption
Poll: Nearly 1 In 4 Americans Reports Having Had A Concussion
How concerned are people about the privacy of their medical information? The NPR-Truven Health Analytics Health Poll found worries were low. NPR hide 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
Generic hydrocodone plus acetaminophen pills seen in a pharmacy in Montpelier, Vt., in 2013. Toby Talbot/AP hide caption
The overwhelming majority of people think there should be age restrictions on the recreational use of marijuana. Ben Nelms/Reuters/Corbis hide caption
Most Americans are aware that football carries a risk of concussions. An NPR poll found a large proportion of people believe safety improvements are needed for football to remain a high school sport. iStockphoto hide caption
When does a gun become a personal health issue? iStockphoto.com hide caption
Swordfish from Canada are marked with a label from the Marine Stewardship Council at a Whole Foods in Washington, D.C. The MSC says its label means the fish were caught by a sustainable fishery, but critics says it's not always so clear. Margot Williams/NPR hide caption
John Kelly and Dr. Marcia Angell were advocates on opposing sides of a Massachusetts measure to legalize physician-assisted suicide. Jesse Costa/Jesse Costa/WBUR hide caption
Nurse practitioner Leah Martin examines 13-month-old Mia Beavers at a CVS clinic in Chagrin Falls, Ohio, in early 2009. Mia's mother, Brittany, looks on. Marvin Fong/The Plain Dealer/Landov hide caption
Dr. Karen Lindsfor, a radiologist at the University of California, Davis, Medical Center, reads a mammogram in Sacramento, Calif. Rich Pedroncelli/AP hide caption
Some Americans are cutting back on red meat, and health concerns seem to be the biggest reason they're doing it, a survey found. Shmeliova Natalia/iStockphoto.com hide caption