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Marijuana users are five times more likely to develop an alcohol abuse disorder, according to a new study

When it rains it pours. The old idiom may be familiar to many drug users who often find themselves battling more than one addiction. While previous research has shown multiple substance abuse disorders often go hand in hand, a new study suggests simply using marijuana can lead to a much higher risk of developing an alcohol use disorder.

Finding the Link Researchers at Columbia University analyzed data from 27,461 people who had used marijuana at the time of first testing, but had no history of alcohol related disorders. When researchers checked back three years later, they found marijuana users were five times more likely to have developed an alcohol abuse disorder.

Researchers said they were surprised the link wasn’t between marijuana use disorder, but simply marijuana use itself. “I think it’s important for people to be aware that there are certain behaviors that come with specific risks,” says Dr. Renee Goodwin, one of the lead researchers. “It would be particularly useful for youth.” Because youth are at a higher risk of experimenting with both drugs and alcohol, researchers said educating them about the total scope of risk is not only important, but could help curb problematic behaviors. “Preventing or delaying the onset of marijuana use could prevent or delay the onset of alcohol use disorder,” Dr. Goodwin says. “Statistically it should.”

“I think it’s important for people to be aware that there are certain behaviors that come with specific risks.” -Dr. Renee Goodwin

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