The World Economic Forum opens amid tensions between Europe and the U.S.

The cancer drug leucovorin has been in high demand since the Trump administration endorsed it as a treatment for some autistic kids. Some experts say the drug's popularity has outpaced the science.

Cases of the flu have started to decline, according to the CDC, but flu season isn't over yet. We bust some common myths on ways to avoid catching the virus.

Medicaid is doing a novel payment system for the new, promising and expensive sickle cell treatment. It may become a model for all gene therapies being developed.

Louisiana has long struggled with maternal and infant mortality. In New Orleans, free home visits by nurses help spot medical problems early. It's a reproductive health policy with bipartisan support.

NPR's Ailsa Chang speaks with Javier Corrales, author of a book on Hugo Chavez and a professor at Amherst College, about the legacy of Chavez's rule in Venezuela today.

As Venezuelan oil shipments to Cuba collapse, Mexico has stepped up as the island's main supplier — though its support may be temporary under Washington's pressure.

Cheap gasoline, yes. Drill, baby, drill? Not so much. And electricity bills are going up, not down.