HealthWatch: Marijuana Impact On Lungs; Spatial Memory Connected To Smell?

Dr. Mallika Marshall reports on Canadian Scientists and their research with marijuana and whether or not spatial memory is connected with a good sense of …


  1. I been smoking half an ounce marijuana for over 25 years everyday and night and I have no lung problems or any other problems I’m actually healthier than average non weed smoker this is all wrong they obviously don’t know anything right because they don’t even smoke weed how would you know if you don’t smoke ?

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