Study: Chronic marijuana use by teens not linked to later health issues

teens and marijuana
By on August 21, 2015

Published in full on The Oregonian/OregonLive

Chronic marijuana use by young teens was not linked with mental or physical disorders more than two decades later, a new study found.

Researchers looked at the health records of 400 boys who were followed from seventh-grade to the age of 36 in the Pittsburgh Youth Study. They included both African Americans and whites and were grouped into four categories according to their marijuana use: little or no use, early chronic users, those who only smoked marijuana during adolescence and those who began using marijuana in their late teens and continued into their adulthood.

After controlling for risk factors such as tobacco, alcohol and hard drug use or socioeconomic status and health insurance, they found no significant difference in those suffering from asthma, allergies, high blood pressure and mood disorders as adults.

The results run contrary to other studies.

"What we found was a little surprising," Jordan Bechtold, the lead researcher, said in a news release. "There were no differences in any of the mental or physical health outcomes that we measured regardless of the amount or frequency of marijuana used during adolescence,"

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