30% of people use coffee and Cannabis for Parkinson’s Image Cannabis News August 19, 2024 Study Finds Over a Third of Parkinson's Patients Use Natural Health Aids Like Cannabis, Often Without Doctor's Knowledge. A new study in the Journal of Parkinson's reports that over a third of people use natural health aids like coffee and cannabis for Parkinson's - but less than half had discussed Medical Cannabis News Marijuana Business News Parkinson's Europe