Texas passed sweeping changes to cannabis policy, including expanding the medical marijuana program and banning hemp products ...

Psychedelics research gains support from the Trump administration for treating PTSD and mental health conditions, with Veterans Affairs exploring treatments that show promise in clinical trials.

It’s the regulations—not legalization—that fuel the problems Mr. Malanga condemns.

What they found was surprising: marijuana use was linked to changes in a biological process called DNA methylation. This is a ...

The Substance Abuse and Mental Health Administration has seen its staff cut by more than a third, and it's facing deep budget cuts. Progress on overdose deaths could be lost, experts warn.