It’s a common stereotype that people who smoke weed are a bit foggy-headed and missing a few brain cells.

But a new study from researchers at the University of Colorado Boulder found that alcohol is much more damaging to your brain than marijuana. In fact, the study — which was published in the journal Addiction — suggests that weed use doesn’t seem to alter the structure of a person’s brain at all.

Read full article originally posted on The Cannabist.