First, on what you define "intelligence" as! Now, I am considered to be "intelligent", so I feel my observations should carry some weight.

Last time I was in college, I wrote some pretty good papers, on a variety of subjects, while quite stoned. (I "cleaned them up", when i was straight, however.) Cannabis can be a "mind lubricant", allowing you to make connections that, in a more sober frame of mind, would never be made. My profs loved my "novel takes" on otherwise dull subjects. One said she saved my papers "for dessert"! :thumbsup: (graduated with honors)

Math, on the other hand, was a complete wash-out.

And a while ago, a young man on the board said that he credited cannabis with his passing grades. He had test anxiety, and cannabis helped. It certainly raised his GPA!

When it comes to memorization and exacting calculations, cannabis very well may inhibit learning. Yet, in matters requiring creativity and original thinking, cannabis can be an asset. Like most things, it all in how you use it! - Granny:hippy: