In the past decade alone, during which time 24 states legalized adult use marijuana sales, the percentage of 8th graders, 10th graders, and 12 graders who reported having ever consumed cannabis declined 32 percent, 37 percent, and 23 percent respectively.
Th…

Federally funded survey data provided by the University of Michigan reports that teen marijuana use has declined significantly over the past decade and is now at historic lows.
Consistent with data …