Here is a poser. Two recent studies found that "more intelligent children in both studies grew up to drink alcohol more frequently and in greater quantities than less intelligent children."
I don't know why this would so, and am surprised at the result.
My best guess about why: intelligence does not reduce social awkwardness, and in confirmed nerds may increase it. Many people say they drink as a "social lubricant." Perhaps intelligent people need more social lubrication than others.
Just a guess, though. Puzzling.