As cannabis is legalized in more states across the country, new research points to the negative side effects of partaking too much. Researchers from the University of Colorado Anschutz Medical Campus ...

This is your brain on drugs — and it’s not good. A new study billed as the “largest of its kind” used brain imaging technology to examine the effects of recent and lifetime cannabis use on 1,000 ...

The legalization of marijuana varies drastically between states, with some lawmakers approving its use entirely, others allowing its use only for medical conditions, and some still punishing ...