Key Findings:  Medical cannabis has show to be able to reduce typical Parkinson's disease symptoms such as tremor, bradykinesia, rigidity, mood disorders such as depression, poor sleep, and pain. At the same time the researchers highlight the potential adverse effects of short-term and long-term effects including cognitive problems commonly associated with the THC abundant cannabis chemotype I.
Type of Study:  Meta-analysis
Study Result:  Positive
Research Location(s):  United States
Year of Pub:  2019
Cannabinoids Studied:  Cannabidiol (CBD), Tetrahydrocannabinol (THC), Anandamide (AEA), Cannabinoid (unspecified)
Phytocannabinoid Source:  Not Applicable
Receptors Studied:  CB1, CB2
Ligands Studied:  Dopamine
Citation:  Patel RS, et al. Pros and Cons of Marijuana in Treatment of Parkinson's Disease. Cureus. 2019; 11:e4813. doi: 10.7759/cureus.4813
Authors:  Patel RS, Kamil S, Shah MR, Bhimanadham NN, Imran S