Pot users show drop in IQ from adolescence to adulthood

Fox News

While smoking marijuana is sometimes touted for its ability to dull pain,  research has emerged showing that it also significantly dulls the mind – especially in teenagers.

A new study of more than 1,000 children in New Zealand, following them from  birth to the age of 38, found that those who began using cannabis during their  adolescence showed a decrease in their general intellectual ability, as measured  by IQ tests, from childhood to adulthood.

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