I Have Noticed That Within The Last Few Months, When

I have noticed that within the last few months, when I smoke marijuana, on occasion and randomly, the left side of my face will begin to get a sensation right before I begin to loose feeling. I can feel the pressure in my cheeks from the muscles being completely paralyzed. Sometimes my eye will droop and close completely. I am even unable to clearly see from my left eye a few minutes after this passes. It usually last for no more than 30 seconds to a minute. Basically my whole left side of my face becomes temprarily paralyzed.