Researchers in Brazil evaluated cocaine and crack addicts undergoing rehabilitation for six months and observed a higher relapse rate and worse cognitive impairment among patients who smoked cannabis to try to mitigate their craving for cocaine

Research is the first study of college students to look broadly at multiple states that have legalized recreational marijuana and to go beyond the first year following legalization

Understanding compulsive drinking in some people relies on identifying the neural pathway that keeps drinking in check

Study involving mice shows that a drug used to treat high blood pressure may alleviate anxiety induced by long-term heavy alcohol use

Researchers from 41 international institutions released their findings after analyzing sewage samples from 60 million people between 2011 and 2017

Researchers use mobile app to measure how commercially available cannabis products affect pain intensity

Trial shows cannabis replacement therapy can be effective

Researchers are seeking non-addictive chronic pain treatment options that produce few or no negative side effects

Sugar does not improve any aspect of mood and can even worsen it, according to new research

A new study may open the door to developing drug therapies or even gene therapies for alcohol addiction