A group circle meeting with one man holding up his hand. Approximately 49 million people in the U.S. population aged 12 or older had a substance use disorder in 2021—and most went without treatment.

Illustration showing a teens brain being affected by drinks, social media and cigarettes. Adolescence is a pivotal phase during the development of the brain, marked by increased plasticity. That ...

About 25% of 7350 patients hospitalized for scooter-related injuries between 2016 and 2021 were using substances such as alcohol, opioids, marijuana and cocaine when injured. The findings underscore ...