As more states legalize recreational marijuana use, here’s what the research says about what cannabis is really doing to your ...

Can a better environment stop opioid relapse? Environmental enrichment lowers stress hormones and reduces fentanyl seeking in ...

The result supports earlier studies that used brain imaging to find evidence that the same neural circuits are involved in ...

Dolly Martinez, who appeared on the TLC reality show "My 600-lb Life," has died, her sister revealed on social media.

In 1969, a controversial experiment used amphetamines to induce psychosis in healthy volunteers—changing our understanding of ...

Psychedelic toad secretions and celebrity reports of psychological recovery from use intrigued researchers, who developed a ...