Using a national survey of 88,183 adolescents in grades nine to 12, findings show marijuana use declined from 23.1% in 2011 to 15.8% in 2021, with first-time use before age 13 dropping from 8.1% to ...

A series of surprising milestones, events and trends that were unprecedented until now. By Tricia Tisak This feature is part of a series called Turning Points, in which writers explore what critical ...