A study in mice suggests serotonin release underlies the drug’s prosocial effects while dopamine mediates the rewarding properties that drive its potential for abuse.

Kamran Khodakhah, a researcher at the Albert Einstein College of Medicine, explains the cerebellum's newly described role in addictive and social behaviors.

Children born to moms who smoked or ingested marijuana during pregnancy suffer higher rates of depression, hyperactivity, and inattention.

With a built-in supply of a powerful cocaine-chomping enzyme, the transplant might also curb addiction.

Lucemyra is the first non-opioid drug to be approved in the U.S. specifically for this purpose.

Sex-deprived males seek out alcohol.

Scientists are beginning to unravel the mechanisms behind the therapeutic effects of psychedelic drugs.

A newly discovered painkiller does not cause respiratory depression or addiction in mice and could be an alternative to frequently abused prescription medicines, researchers report.

A modified bacterial protein elicits a robust immune response against a cocaine-linked molecule in mice.