Study Shows Heavy Adolescent Pot Use Permanently Lowers IQ

Study Shows Heavy Adolescent Pot Use Permanently Lowers IQ
"Marijuana smokers have long been characterized as dimwitted and slow. 
They tend to shrug off these stereotypes as artifacts of how they are when they’re on the drug.
If you’ve ever had the misfortune of enduring a pot smoker who takes you through the “beneficial” effects of marijuana on the brain, then you’ve likely wondered if the stereotype is true.
As it turns out, it is.
A study more than thirty years in the making found that smoking marijuana permanently lowers intelligence, or IQ.
Frequent pot smokers (even those who had given up marijuana) tended to have deficits in memory, concentration, and overall IQ.
The reduction in IQ for those who smoked pot heavily prior to age 18 was most pronounced: an average of eight points.
An eight point reduction in IQ is enough to have a significant, negative impact upon your life.
To put it into context, consider that individuals with an IQ of 110 have an average net worth of $71,000 and individuals with an IQ of 120 have an average net worth of $128,000.
It looks like smoking pot can lower your tax bracket...."