The study included 42 men and women with a history of heroin abuse who were not current users. Heroin is an illegal opioid. Other opioids include powerful prescription painkillers such as oxycodone (OxyContin).
The researchers found that, compared to a placebo, CBD reduced drug cue-induced craving and anxiety in the participants.
The report was published May 21 in the American Journal of Psychiatry.
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