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Medical Cannabis Working Group

Drug Science's Medical Cannabis Working Group aims to improve and accelerate access of medical cannabis in the UK for all patients through impactful research, education, and engagement.

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Project T21

Project T21 was the UK's largest non-profit led medical cannabis patient registry. Between 2020 and 2024, it helped over 4,000 patients access medical cannabis.

Medical Cannabis

In 2018, after the hard work of patient groups, medical cannabis legalised in the UK. Since then, Drug Science has been an advocate for the rights of medical cannabis patients.

Drug Science and Medical Cannabis

Drug Science has been at the forefront of advancing evidence-based understanding and access to medical cannabis. Through its Project Twenty21 initiative, Drug Science has created the UK’s largest observational study of medical cannabis patients, collecting real-world data to assess its safety, effectiveness, and impact on quality of life.

 

By collaborating with clinicians, researchers, and policymakers, Drug Science aims to reduce barriers to medical cannabis prescribing and ensure that patients receive treatment guided by robust scientific evidence rather than stigma or misinformation.

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Curious About Medical Cannabis?

We're committed to demystifying the medical cannabis process. Both prescribing and attaining a prescription carry their own hurdles, but, with proper guidance, this process can be easily navigated. Use the buttons below to view our resources for anyone seeking to learn more about medical cannabis prescriptions.

Research Output

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Medical Cannabis OCD

2025

Medicinal Cannabis Use Among People with Obsessive Compulsive Disorder: Changes in Quality of Life After Three Months

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Cannabis Use & Longevity

2025

The impact of cannabis use on ageing and longevity: a systematic review of research insights

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Cannabis and Sleep - T21

2025

Changes in sleep quality among patients prescribed medicinal cannabis: Real-world evidence from Project Twenty 21

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Cannabis and Hypermobile Treatment

2025

Medicinal cannabis in the treatment of hypermobile Ehlers-Danlos syndrome & hypermobility spectrum disorder: Real-world evidence from Project Twenty21

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Medicinal Cannabis & Epilepsy Paper

2025

Medical Cannabis and Epilepsy: The Evidence

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