A big thing marijuana opponents warned you about is definitely not happening

A state-run survey of 37,000 middle and high school students in Washington state finds that marijuana legalization there has had no effect on youngsters’ propensity to use the drug.

The Washington State Healthy Youth Survey found that the 2016 rate of marijuana use was basically unchanged since 2012, when the state voted to legalize marijuana for recreational use. In the survey, researchers used the measure of “monthly use,” asking students across all grade levels whether they’d used the drug within the past month.

The survey’s numbers show that neither the vote for legalization nor the opening of pot shops in 2014 have had any measurable effect on the rate of marijuana use among teenagers in the state.

Read More: Washington Post