“Increases in abstention, which is considered no use within the previous 30 days, were statistically significant among 12th and 10th graders.

• Alcohol: 42% of 12th graders reported consumption, down from 75% in 1997. Among 10th graders, it fell to 26% from 65%. And among eighth graders, it dropped to 13% from 46%.
• Marijuana: Levels were the lowest they’ve been in the past three decades, at 26% for 12th graders and 16% for 10th graders.
• Nicotine vaping: 12th grade use was 21% compared to 35% in 2020 and 19% in 2017.

State of play: Teen substance use dropped at the start of the COVID-19 pandemic. The pattern tracks with young adults’ shifting views of moderate drinking and their reduced reported consumption.”

From Axios.