I know some people with Parkinson’s who have tried cannabis. It’s crazy how fast it works. In 10 minutes tops he went from unable to walk to jogging in place because he was so excited he could move again.
It’s important to realize that the movements he’s exhibiting before using cannabis are NOT from Parkinson’s Disease itself. Rather, it is chorea which is a side effect that arises from L-DOPA which is the current treatment of Parkinson’s Disease symptoms. Parkinson’s Disease causes you to become extremely rigid and have very slow motor movements. The treatment side effect, unfortunately, can result in chorea movements like you see in the video.