Medicinal Cannabis Doesn't Help Anxiety, Depression, or PTSD, Huge Review Finds

Experts weigh in on the implications of the recent study on medicinal cannabis and mental health

Apr. 12, 2026 at 5:13pm

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A minimalist design in the style of Keith Haring, where the outline of a human brain is defined entirely by vibrant, glowing neon lines against a deep, dark background, conceptually representing the complex relationship between mental health and medicinal cannabis.The study's findings on the limited effectiveness of medicinal cannabis for mental health conditions underscore the need for evidence-based treatments and comprehensive patient support.Today in Miami

A recent study has found no evidence that medicinal cannabis is effective in treating anxiety, depression, or PTSD. However, the research did uncover potential benefits for specific conditions like cannabis use disorder, autism, insomnia, and tic disorders. Experts emphasize the importance of context and support when considering medicinal cannabis use, as the risks of unintended consequences like psychotic symptoms and cannabis use disorder are high without proper medical or counseling support.

Why it matters

The study's findings challenge the widespread use of medicinal cannabis for mental health conditions and raise critical questions about balancing the potential benefits against the risks. It supports the Therapeutic Goods Administration (TGA) and clinicians in making informed choices to ensure patients receive effective treatments while minimizing harm from ineffective or unsafe cannabis products.

The details

The recent study on medicinal cannabis and mental health was led by Dr. Jack Wilson. While the research found no evidence of the effectiveness of medicinal cannabis in treating anxiety, depression, or PTSD, it did uncover some potential benefits for specific conditions. The study suggested low-quality evidence of potential benefits for cannabis use disorder, autism, insomnia, and tic disorders. However, Dr. Wilson emphasizes the importance of context and support when considering medicinal cannabis use, as the risks of unintended consequences like psychotic symptoms and the development of cannabis use disorder are high without proper medical or counseling support.

  • The recent study on medicinal cannabis and mental health was published in 2026.

The players

Dr. Jack Wilson

The lead author of the recent study on medicinal cannabis and mental health.

Therapeutic Goods Administration (TGA)

The Australian regulatory body that oversees the prescribing and dispensing of medicinal cannabis, and is reviewing its regulatory oversight in response to the study's findings.

Pharmacy Guild of Australia

A peak body that has raised concerns about the prescribing and dispensing of medicinal cannabis, which the TGA's review aims to address.

Australian Medical Association

A peak body that has raised concerns about the prescribing and dispensing of medicinal cannabis, which the TGA's review aims to address.

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What they’re saying

“We must ensure patients receive effective treatments while minimizing harm from ineffective or unsafe cannabis products.”

— Dr. Jack Wilson, Lead author of the study

What’s next

The Therapeutic Goods Administration's review of regulatory oversight is a step in the right direction, as it aims to address the prescribing and dispensing of medicinal cannabis to ensure its safe and effective use.

The takeaway

The study's findings challenge the widespread use of medicinal cannabis for mental health conditions and emphasize the need for evidence-based practices and comprehensive patient care. It serves as a reminder that the journey towards effective mental health treatments is complex and requires a nuanced understanding of the risks and benefits of medicinal cannabis.