And:
https://insight.livestories.com/s/v2/substance-use-after-marijuana-legalization/be43094c-9e83-4780-8c9b-ebf66407b0cf/
https://www.chicagotribune.com/news/ct-viz-met-colorado-legal-marijuana-by-the-numbers-htmlstory.html
Crime Pot grown illegally on public lands — an indicator for the size of the black market — also is on the rise with 80,926 plants seized in 2017, a 73 percent increase in five years. Organized crime cases almost tripled in five years, increasing to 119 in 2017 from 31 in 2012. Health Rates of hospitalization with possible marijuana exposures increased steadily from 2000 through 2015.
The number of adults who use marijuana increased between 2014 and 2017, with men getting high more often than women and young adults ages 18 to 25 the most frequent users.
The biggest evidence is that average IQ test results in Colorado have gone down by 10 points.
Same numbers as this article, minus the understanding of statistical significance.
And:
https://insight.livestories.com/s/v2/substance-use-after-marijuana-legalization/be43094c-9e83-4780-8c9b-ebf66407b0cf/
In the states where use rose from 2011-2016, legal sale started between 2014 and 2016 - so what this data actually shows is that legal sale has no effect on use trends.
https://www.chicagotribune.com/news/ct-viz-met-colorado-legal-marijuana-by-the-numbers-htmlstory.html
13.6% to 15.5% adult use is not "skyrocketed."
Crime Pot grown illegally on public lands — an indicator for the size of the black market
A black market that includes every non-legalizing state.
possible marijuana exposures increased
"Possible exposure" is a far cry from "causative agent."