From a posting a couple days ago...
But THC can also bind to them in much the same way, and when they do, they start messing with your brains ability to communicate with itself. The can be a good and a bad thing, because while you might forget something important or suddenly be incapable of swinging a baseball bat, youll probably feel amazing, and want to eat all the snacks.
Or stop having seizures. Or calm the nerves to reduce pain and be able to get off opiates. Or stop muscle spasms. Or be able to sleep without PTSD-induced nightmares. Or be able to overcome ADHD and get off the uppers that the dr prescribed.