A review of long-term data concerning over 6,000 individuals revealed that frequent cannabis use from adolescence onward is associated with a drop in IQ of approximately two points by around age 40. Senior author Dr. Mary Cannon adds, “Previous … [Read more...]
Health Alert: Brain’s Motivation Blunted!
Long-term cannabis users tend to produce less dopamine, a chemical in the brain linked to motivation. Dopamine levels in a part of the brain called the striatum were lower in people who regularly smoke cannabis, especially those who began taking the … [Read more...]
Mental Attitude: Cannabis and IQ?
A recent study indicates that daily cannabis use by teenagers (< 18 years old) results in neuropsychological decline, which persists even after they stop smoking. The group also had IQ scores that were 8 points lower than their counterparts who … [Read more...]