Third-year students at the Harvard School of Dental Medicine learn how to trim crowns and prep a tooth for a crown. They're also learning alternatives to opioids for pain relief. Jessica Cheung/NPR hide caption
Governors from left; Bill Haslam of Tennessee, Steve Bullock of Montana, Charlie Baker of Massachusetts, John Hickenlooper of Colorado and Gary Herbert of Utah all testified Thursday about ways t improve the ACA. Jose Luis Magana/AP hide caption
The Children's Health Insurance Program relies on money from state and federal governments to help subsidize the cost of medical care for some kids not poor enough to qualify for Medicaid. Rebecca Nelson/Getty Images hide caption
Sen. Lamar Alexander, R-Tenn., is working with Patty Murray, D-Wash., on a bill to stabilize the health insurance market. Zach Gibson/Getty Images hide caption
Dr. Ruth Berggren stands outside Charity Hospital in New Orleans in 2005, where she had earlier cared for patients during Hurricane Katrina. Cheryl Gerber/AP hide caption
These days, a radiologist at UCSF will go through anywhere from 20 to 100 scans a day, and each scan can have thousands of images to review. xijian/iStockphoto hide caption
Dr. Winston Watkins, an internist at St. Joseph Medical Center in Houston, volunteered to do a shift in the ER to give his colleagues a break. Rachel Osier Lindley/KERA hide caption
People in Richmond, Texas, line up to gain entrance to a grocery store after it opened for the first time in several days due to Tropical Storm Harvey. Charlie Riedel/AP hide caption
Ghulam Siddique, a goat herder from Pakistan's Sindh province, has been forced to increase the price of his goats to offset the rising cost of the animals' feed. Amar Guriro for NPR hide caption
The University of Texas MD Anderson Cancer Center had 528 patients in the hospital as Harvey hit. A team of about 1,000 people tended to them and their families until reinforcements arrived Monday. Courtesy of MD Anderson Cancer Center hide caption
We might all feel a lot better if we saw a view like this, from the North Shore of Oahu, every day. Vince Cavataio/Perspectives/Getty Images hide caption
Parts of Houston remain flooded, but most hospitals are up and running, according to Darrell Pile, CEO of the Southeast Texas Regional Advisory Council, which manages the catastrophic medical operations center in Houston. Marcus Yam/LA Times/Getty Images hide caption
William Scott (right) and his wife, Teresa, arrived at DaVita Med Center Dialysis in Houston on Tuesday morning, after missing William's appointment on Monday. "It's just good he got in here," she says. Ryan Kellman/NPR hide caption
Republican Sen. Lamar Alexander chairs the Senate's Health, Education, Labor and Pensions committee; Sen. Patty Murray is the committee's ranking Democrat. Andrew Harrer/Bloomberg/Getty hide caption
Evacuees fill up cots at a shelter set up inside the George R. Brown Convention Center in Houston, Texas. Joe Raedle/Getty Images hide caption
A boy on the outskirts of Bogra, Bangladesh, on Aug. 20. Turjoy Chowdhury/NurPhoto via Getty Images hide caption
Needles at the Alaska AIDS Assistance Association syringe exchange in Anchorage. Zachariah Hughes/Alaska Public Media hide caption
Physical therapy as well as cognitive therapy are part of a promising approach to managing chronic pain without drugs. Hero Images/Getty Images hide caption
Of 134 cases of serious abuse federal investigators found, more than one-quarter were not reported to the police. Ben Margot/AP hide caption
One of the stray dogs that turned blue hangs out on a street in the Taloja industrial zone in Mumbai. AFP/Getty Images hide caption
