13 things you've probably wondered about marijuana but were too afraid to ask

There are correlations between cannabis use and mental health issues, but studies have yet to show causation. The more provable consensus is that people who are already at risk of mental health issues are more likely to suffer adverse effects from cannabis use. Though cannabis is not a physically addictive substance in the way tobacco or harder drugs are—withdrawal symptoms are minimal—it is possible to develop a dependency. But what kind of user is at risk of becoming dependent? Read the full story.