Diabetes

The hormone that controls blood sugar among diabetics is one of the oldest medicines used today. But more than 90 years after its discovery, a low-cost version is no longer available in the U.S.

Researchers say their study suggests that more diabetes is being detected in particular states because, thanks to Medicaid, more poor people have access to screening and care.

Health care should go beyond a doctor's office, the creators of this program say. Students work as health advocates, helping patients find affordable housing, fresh food and social services as needed.

Few doctors — and few patients — realize just how profoundly early abuse, neglect and other childhood traumas can damage an adult's physical health.

Noncommunicable diseases like cancer, diabetes and heart disease are now the biggest killers on Earth. They account for 68 percent of deaths — and have an even greater impact in the developing world.