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Cannabis Not Effective in Treating Anxiety, Depression, or PTSD

Published on June 23, 2026, 6:10 p.m.
Cannabis Not Effective in Treating Anxiety, Depression, or PTSD

Topic: Health

A large study found that medicinal cannabis does not help with anxiety, depression, or post-traumatic stress disorder (PTSD). The research looked at the safety and effectiveness of cannabinoids across various mental health conditions.

The researchers analyzed data from 54 studies conducted over a period of 45 years. They found no evidence that medicinal cannabis helps with anxiety, depression, or PTSD. In fact, they suggest that using medicinal cannabis for these conditions could even worsen symptoms.

The study did find some limited benefits in certain cases, such as reducing seizures associated with epilepsy and managing pain. However, the quality of evidence was low, and the use of medicinal cannabis is not justified without robust medical or counseling support.

The researchers also looked at how medicinal cannabis affects substance use disorders. They found that it may be helpful for people with cannabis dependence but could worsen cravings in those with cocaine-use disorder.

Why It Matters

This study matters because it highlights the need for stronger regulation of medicinal cannabis products. As more people turn to these products, it's essential to ensure they are safe and effective. This research can help inform decisions about using medicinal cannabis for mental health conditions.

Key Facts

  • The study analyzed data from 54 studies conducted over a period of 45 years.
  • Medicinal cannabis did not show any benefits in treating anxiety, depression, or PTSD.
  • Limited evidence suggests that medicinal cannabis may help with certain cases, such as reducing seizures associated with epilepsy and managing pain.

Key Terms

Cannabinoids
Chemicals found in the cannabis plant that have potential therapeutic benefits

Implications

This study matters because it highlights the need for stronger regulation of medicinal cannabis products. As more people turn to these products, it's essential to ensure they are safe and effective. This research can help inform decisions about using medicinal cannabis for mental health conditions.


Source: https://www.sciencedaily.com/releases/2026/03/260319044656.htm

Journal Reference:

  1. Jack Wilson, Olivia Dobson, Andrew Langcake, Palkesh Mishra, Zachary Bryant, Janni Leung, Danielle Dawson, Myfanwy Graham, Maree Teesson, Tom P Freeman, Wayne Hall, Gary C K Chan, Emily Stockings. The efficacy and safety of cannabinoids for the treatment of mental disorders and substance use disorders: a systematic review and meta-analysis. The Lancet Psychiatry, 2026; 13 (4): 304 DOI: 10.1016/S2215-0366(26)00015-5

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