Researchers are trying to understand why black and Latino children are more likely to die of certain cancers. FS Productions/Blend Images/Getty Images hide caption

Nationwide Children's Hospital developed Career Gateway Homes, a combination low-income housing project and employment-training center. Courtesy Nationwide Children's Hospital hide caption

Victoria gave birth to her daughter Lili while in treatment for opioid dependency. Alex Smith/KCUR hide caption

A new generic that pharmacists can automatically substitute for Mylan's EpiPen will soon be on the market. George Frey/Bloomberg via Getty Images hide caption

When a teen's symptoms of depression improve as a result of treatment, it's more likely that their parent's mood lifts, too, new research shows. Roy Scott/Getty Images/Ikon Images hide caption

The Children's Village has several grassy areas where kids can play soccer and other sports. Adriana Zehbrauskas for NPR hide caption

Inducing labor at 39 weeks may involve IV medications and continuous fetal monitoring. But if the pregnancy is otherwise uncomplicated, mother and baby can do just fine, the latest evidence suggests. Loic Venance/AFP/Getty Images hide caption

Mother Daniele Santos holds her baby Juan Pedro, who has microcephaly, on May 30, 2016, in Recife, Brazil. Researchers are now learning that Zika's effects can appear up to a year after birth. Mario Tama/Getty Images hide caption

Evelyn Nussembaum and her son Sam Vogelstein pick up a six month supply of Epidiolex from the experimental pharmacy at UCSF. Lesley McClurg/KQED hide caption

In the mountain town of Juyaya, Puerto Rico, last October, children watched as U.S. Army helicopters brought a team of physicians to assess the medical needs of the local hospital and residents. Going forward, health economists say, the U.S. territory will need continued federal help to deal with its overwhelming Medicaid expenses. Carolyn Cole/Los Angeles Times via Getty Images hide caption

UCLA researchers are using a radioactive tracer, which binds to abnormal proteins in the brain, to see if it is possible to diagnose chronic traumatic encephalopathy in living patients. Warmer colors in these PET scans indicate higher concentrations of the tracer. UCLA hide caption

A woman breastfeeds her child in a village in the Democratic Republic of the Congo. Phil Moore/AFP/Getty Images hide caption

Shennel E.P. Henries, a 19-year-old Liberian member of Girl Up, decided to become an activist when she was around 5, Pearl Mak/NPR hide caption

Rohingya children carrying firewood into the Kutupalong camp in Bangladesh. Refugees have stripped almost all the area vegetation to use in cooking fires. Allison Joyce for NPR hide caption

The resolution at the World Health Assembly in Geneva in May was aimed at promoting breastfeeding. Steve Debenport/Getty Images hide caption

Juan Lopez Aguilar (left), a Maya man who fled violence in Guatemala three years ago, tells Dr. Nick Nelson he fears returning to the land of his birth. "There are a lot of gangs," he tells the doctor. "They want to kill people in my community." Heidi de Marco/Kaiser Health News hide caption

When ticks come into contact with clothing sprayed with permethrin, research shows, they quickly become incapacitated and are unable to bite. Pearl Mak/NPR hide caption