More than one in ten heavy cannabis users experience withdrawal after quitting cannabis

As the number of Americans who regularly use cannabis has climbed, so too has the number of those experiencing cannabis withdrawal symptoms. A new study by researchers at the Columbia University Mailman School of Public Health and Columbia University Irving Medical Center finds that 12 percent of frequent marijuana smokers experienced Cannabis Withdrawal Syndrome (CWS), which includes emotional, behavioral and physical symptoms. The study is published in the journalĀ Drug and Alcohol Dependence.

CWS was first included in the Diagnostic and Statistical Manual of Mental Disorders in its most recent edition, DSM-5, published in 2013. The new study is the first large-scale report on the link between CWS and DSM-5 psychiatric disorders among frequent U.S. adult cannabis users.

“In a rapidly changing landscape of marijuana laws and attitudes, cannabis use continues to increase among American adults. As a result, more information on the prevalence and correlates of clinical withdrawal in the general population is of critical importance,” said Deborah Hasin, PhD, professor of Epidemiology at Columbia Mailman School of Public Health.

Full story at Science Daily

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Will Savage

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