NASET News Alert

As Pot Use Rises, Teens' Grades May Fall: Study

October 30, 2014

Occasional marijuana use does not appear to affect teens' intelligence or school performance, but heavy marijuana use is associated with slightly lower exam scores, according to a new study. Among more than 2,200 U.K. children who took IQ tests at age 8 and at age 15, marijuana use in the teen years appeared to be associated with lower IQ scores, the researchers said. However, the researchers found a strong link between marijuana use and other risky behaviors such as alcohol, cigarette and drug use. When these other behaviors were taken into account, there was no connection between marijuana use and lower IQ at age 15, they said. To read more, click here

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