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Related Experiment Videos

Marijuana for Parkinson's Disease?

Diksha Mohanty1, Steven Lippmann1

  • 1Dr. Mohanty is Research Scholar and Dr. Lippmann is Emeritus Professor at the University of Louisville School of Medicine in Louisville, Kentucky.

Innovations in Clinical Neuroscience
|May 1, 2019
PubMed
Summary
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Medical marijuana shows potential for Parkinson's disease symptom relief, but scientific evidence is limited. More research is needed to confirm benefits and safety for Parkinson's patients.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Movement Disorders

Background:

  • Cannabis (marijuana) is increasingly legalized for medical and recreational use in the US.
  • It is a Schedule 1 substance with unproven risks and benefits.
  • Endocannabinoid receptors are widespread in the nervous system, influencing various functions.

Purpose of the Study:

  • To explore the potential medicinal efficacy of cannabis, specifically medical marijuana, for Parkinson's disease (PD).
  • To review existing evidence regarding cannabis's neuroprotective effects and impact on PD symptoms.

Main Methods:

  • Review of animal studies investigating cannabis effects on bradykinesia and tremors in PD models.
  • Analysis of patient surveys, anecdotal reports, and case studies on marijuana's effects on motor and non-motor PD symptoms.
Keywords:
Parkinson’s diseasebradykinesiacannabismarijuanamedical marijuanamotor symptomsneurologyparkinsonismrigiditystiffnesstremor

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Main Results:

  • Animal studies suggest potential improvement in motor symptoms like bradykinesia and tremors.
  • Human surveys and anecdotal reports indicate possible attenuation of motor, mood, and cognitive symptoms in Parkinson's patients.
  • Cannabis may offer neuroprotective benefits against nigrostriatal degeneration.

Conclusions:

  • Medical marijuana may potentially benefit both motor and non-motor symptoms of Parkinson's disease.
  • Current human evidence is limited and unsubstantiated by rigorous clinical trials.
  • Further research is required to establish the safety, efficacy, and clinical applications of cannabis for PD treatment.