A nurse burps a baby after he's been fed, circa 1955. Doctors say that for babies with extreme reflux, off-label use of heartburn drugs can sometimes help. But frequently changes to the mother's diet can be a simpler fix. George Heyer/Three Lions/Getty Images hide caption

itoggle caption George Heyer/Three Lions/Getty Images

More people end up in the emergency room from overdosing on Vicodin, pictured here, and other prescription painkillers, than heroin or cocaine, a government report says.

Amayzun/Flickr hide caption

itoggle caption Amayzun/Flickr

Laura Zakhar connects her son, Kevin, 15, to the "feedbag" that contains his nutrition. Lately, Zakhar has had trouble getting the calcium solution Kevin needs, in part because hospitals have been reserving limited supplies for patients who need it even more desperately than he does. Elizabeth Larkin for NPR hide caption

itoggle caption Elizabeth Larkin for NPR

Seeds from Golden Rain acacias like these in Wales provide the active ingredient for a pill to help people stop smoking. Tom Patterson/Flickr hide caption

itoggle caption Tom Patterson/Flickr