Little Victories


May 17, 2024

Exploring the Potential of Cannabis in Parkinson’s Disease Treatment: Fact or Fiction?

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By Juan Diego Drouet
Content writer & research

Cannabis and Its Components

  • Cannabis contains cannabinoids such as tetrahydrocannabinol (THC) and cannabidiol (CBD), which have been studied for their anti-inflammatory, analgesic, and neuroprotective properties. These properties could be beneficial in managing PD, a disease characterized by chronic inflammation, pain, and neuronal damage.


Potential Benefits of Cannabis in PD Treatment

  • Anti-inflammatory Properties: Cannabis may reduce brain inflammation, which is detrimental in PD progression.
  • Analgesic Properties: It can alleviate pain, a significant complication in PD.
  • Neuroprotective Properties: Some studies suggest that cannabis might protect brain cells from damage, crucial in PD where neuronal damage is a central feature.

Clinical Evidence

  • A study involving 85 PD patients reported that about 46% experienced relief from PD symptoms after consuming cannabis leaves, with bradykinesia being the most commonly relieved symptom. Additionally, 14% of patients reported improvement in levodopa-induced dyskinesia. However, chronic use seemed necessary for symptom improvement.


Challenges in Cannabis Research for PD

  • Lack of Formal Training: Only 23% of doctors have formal training in cannabis, indicating a gap in knowledge and understanding of its medicinal effects.
  • Patient Interest: 80% of PD patients have used cannabis, reflecting patient interest and demand.
  • Physician Recommendations: Only 10% of doctors have recommended cannabis to PD patients, highlighting a lack of consensus among physicians.
  • Research Limitations: Clinical studies have not met minimum research standards, and most doctors do not support the results due to a lack of strong evidence.

Risks and Considerations

  • Potential benefits of cannabis in PD include improved anxiety, pain management, sleep disorders, weight loss, and nausea. However, risks include cognitive impairment, dizziness, blurred vision, mood and behavior changes, loss of balance, and hallucinations. Chronic use may increase the risk of mood disorders and lung cancer.
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While cannabis shows promise in alleviating some PD symptoms, it should not be considered a replacement for approved therapies. More research is needed to determine the optimal administration method and long-term effects on PD symptoms. The use of cannabis in PD treatment must be approached with caution, under medical supervision, and considering individual responses to cannabis.

This review highlights the potential of cannabis in PD treatment, underscoring the need for further research to fully understand its benefits and risks. As the medical community continues to explore cannabis for various conditions, including PD, it is essential to balance hope with evidence-based medicine to ensure the safest and most effective treatments for patients.

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