Third-year medical student Allie Tetreault, left, talks with Gabrielle Nuki, 16, at Maine Medical Center in Portland, Maine. Gabrielle helps med students practice patient care. Patti Wight/MPBN hide caption

itoggle caption Patti Wight/MPBN

The Hilltop Women's Reproductive Clinic in El Paso, Texas, is expected to close if a state law is upheld by a federal judge. Juan Carlos Llorca/AP hide caption

itoggle caption Juan Carlos Llorca/AP

About 40 percent of high schools start before 8 a.m., which contributes to chronic sleep deprivation among teens, according to the American Academy of Pediatrics. Chris Waits/Flickr hide caption

itoggle caption Chris Waits/Flickr

Justin McCowan, 39, has Down syndrome and lives at home with his parents in Santa Monica, Calif. Benjamin B. Morris for NPR hide caption

itoggle caption Benjamin B. Morris for NPR