U.S. Sen. John Fetterman, D-Pennsylvania, was among more than a dozen Democrats to reintroduce legislation on legalizing marijuana.

Stephen Lankenau has spent years studying how people use cannabis in everyday life. As director of Drexel University’s Medical Cannabis Research Center, he has watched legalization spread, products ...

Cannabis, commonly known as marijuana, is a plant that contains psychoactive compounds that can temporarily alter people's ...

A small state-run program in Colorado attempted to see how a registered medical marijuana patient could obtain insurance ...