Here is some reading and background information concerning Parkinsons and medical marijuana. Please note some of these may not be the latest information but are included to offer a wide range of sources and opinions, they do not constitute medical advice, and in almost every case more research is needed before there is certainty.

Parkinson’s Foundation: Medical Marijuana
Ask the MD: Medical Marijuana and Parkinson’s Disease
American Parkinson Disease Association: MEDICAL MARIJUANA AND PARKINSON’S DISEASE
Can Cannabis Help Patients With Parkinson’s Disease?
Medical Cannabis Helps Older People with Parkinson’s, Other Diseases, Study Finds
Parkinson’s Foundation Will Gather Experts to Study Cannabis as Disease Therapy
Practical Neurology: Medical Marijuana and Parkinson’s Disease