Q. Is it
just me, or do kids who use marijuana compromise their mental
not just you! A recent study (April, 2002) shows heavy marijuana
use (5 or more joints a week) can actually lower your IQ.
Short-term effects on mental acuity have be common knowledge
for some time, but this is the first study to compare IQ scores
of participants before they started smoking pot (ages 9-12)
with their current scores (ages 17-20). Among heavy users
who currently smoked more than five joints a week, IQ scores
dropped by an average of 4.1 points.
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