Marijuana, Hallucinogen Use Among Youth Adults at All Time High

An NIH-supported study found that marijuana and hallucinogen use in the past year reported by young adults 19 to 30 years old increased significantly in 2021 compared to five and 10 years ago. Rates of past-month nicotine vaping, which have been gradually increasing in young adults for the past four years, also continued their general upward trend in 2021, despite leveling off in 2020.