Certainly not huge enough to leave out of the title. The vast majority, potentially 90%, of marijuana users are not at elevated risk of the mental illnesses listed.
For reference, this is a similar percentage of alcoholics among alcohol drinkers. What’s true for someone who drinks a bottle of whiskey every day is not necessarily true of someone who drinks a glass of wine twice a month, and it’s flatly incorrect to say that alcohol use in general carries the same risk as heavy alcohol use.
Certainly not huge enough to leave out of the title. The vast majority, potentially 90%, of marijuana users are not at elevated risk of the mental illnesses listed.
For reference, this is a similar percentage of alcoholics among alcohol drinkers. What’s true for someone who drinks a bottle of whiskey every day is not necessarily true of someone who drinks a glass of wine twice a month, and it’s flatly incorrect to say that alcohol use in general carries the same risk as heavy alcohol use.