From left: Sekou Sheriff, of Barkedu village in Liberia, whose parents died at an Ebola treatment center; a polio vaccination booth in Pakistan; a schoolgirl in Ethiopia examines underwear with a pocket for a menstrual pad; an image from a video on the ethics of selfies; Consolata Agunga goes door-to-door as a community health worker in her village in Kenya. From left: John Poole/NPR; Jason Beaubien/NPR; Courtesy of Be Girl Inc.; SAIH Norway/Screenshot by NPR; Marc Silver/NPR hide caption
Martin Shkreli, former CEO of Turing Pharmaceuticals, appeared before the House Oversight Committee during a contentious hearing on drug pricing on Feb. 4, 2016. Mark Wilson/Getty Images hide caption
We all struggle with healthy habits — including experts. They just have science-tested tips to get them back on track. Michael Driver for NPR hide caption
NPR's Sam Sanders helps Chloe Schofield, a busy special education teacher, transform her weekend into a relaxing mini-vacation at Huntington Dog Beach in Huntington Beach, Calif. Morgan Walker for NPR hide caption
On a trip to India, Abraar Karan (second from right) interviews a local woman to talk about the challenges of cataracts. Daniel Carvalho hide caption
Dr. Angela Gatzke-Plamann is the only full-time physician in Necedah, Wis., and the only physician in Juneau County, Wis., who has the required training to prescribe the addiction medicine buprenorphine. Coburn Dukehart/Wisconsin Watch for NPR hide caption
An image of Ow Luen from his file, originally held at the USCIS, now available at the National Archives. Grant Din/National Archives hide caption
Patients line up for remote health consultation sessions on a remote island near Rangpur, Bangladesh. Allison Joyce for NPR hide caption
Placenta purveyors often dehydrate and grind a new mother's placenta to a powder, then add it to a pill capsule. Generally, the goal is to increase her milk production, energy and mood, but scientists dispute such benefits. Brendan Smialowski/AFP via Getty Images hide caption
Justine Adhiambo Obura, chairwoman of the No Sex For Fish cooperative in Nduru Beach, Kenya, stands by her fishing boat. Patrick Higdon, whose name is on the boat, works for the charity World Connect, which gave the group a grant to provide boats for some of the local women. Julia Gunther for NPR hide caption
Eliza Oliver helps her daughter, Taelyn, step down from the exam table after a wellness check at the Community Health Center of Southeast Kansas in Fort Scott, Kan. The child's doctor now has a medical scribe to takes notes. The visit this time seemed more "personal," Oliver says. Sarah Jane Tribble/Kaiser Health News hide caption
Scientists tested high-traffic areas of an airport to find out where germs are most likely to thrive. Getty Images hide caption
