Study Questions Effectiveness of Medical Marijuana for Many Conditions

A review of 80 studies of medical marijuana concludes it may be useful for treating certain conditions, but the evidence is weak in supporting the drug’s use for many others. The researchers said any benefits of medical marijuana must be weighed against side effects including nausea, dizziness, dry mouth, sleepiness and euphoria.

The study found moderate-quality evidence to support medical marijuana’s use for chronic pain and muscle spasms, Reuters reports. The researchers said there was only low-quality evidence supporting medical marijuana’s use in treating nausea and vomiting due to chemotherapy, sleep disorders, HIV-related weight loss and Tourette’s syndrome.

“Individuals considering cannabinoids as a possible treatment for their symptoms should discuss the potential benefits and harms with their doctor,” lead researcher Penny Whiting of University Hospitals Bristol NHS Foundation Trust in the United Kingdom told Reuters.

Full story of medical marijuana questions at

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Will Savage

Quantum Units Continuing Education provides online CEU training's to licensed professional mental health therapists, counselors, social workers and nurses. Our blog provides updates in the field of news and research related to mental health and substance abuse treatment.