Polydrug use refers to when a person uses multiple drugs for recreational purposes. An individual who engages in polydrug use may use illegal drugs, legal drugs, or a mix of the two. For example, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How has marijuana legalization changed the way Americans use it, and ...

Survey data collected from more than 430,000 US adults over multiple years suggests a strong, statistically significant link between the use of cannabis and an increased risk of cardiovascular disease ...

Illicit drug use is often framed in terms of risk and antisocial or criminal behaviour. But drug use is often a highly social activity. For many people, the pleasure of using drugs is about social ...

Alcohol use disorder (formerly known as alcoholism) is a form of substance use disorder. Changes in the brain make it difficult to reduce or stop alcohol use, but treatment can help. Alcohol use ...

For the latest survey data on social media and messaging app, see “Social Media Use in 2021.” A new Pew Research Center survey of U.S. adults finds that the social media landscape in early 2018 is ...