AMHERST — Smoking pot recreationally in one of the 24 states where it’s legal is as easy as visiting a local dispensary. Studies on what that pot does to the human brain, on the other hand, are not ...

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 ...

A long-awaited change in drug policy could bring scientists one step closer to understanding the harms and benefits of marijuana, the most commonly used federally illegal substance. On Thursday, ...

Nearly a year and a half after it was announced, the Cannabis Research Institute is getting operations underway in Chicago, with the goal of studying, among other things, how marijuana could help or ...