Regular marijuana users are less aware of their own mistakes, and they are not that good at creative thinking. This is according to a conclusion drawn by psychologist Mikael Kowal from his research on the effects of cannabis Dopamine Kowal conducted experiments on 40 regular users of cannabis. The control group of 20 non-users were… Read More


In a recent study, researchers found evidence of a compromised dopamine system in those that are heavy users of marijuana. Lower dopamine release was detected in the straitum – a region of the brain that is involved in working memory, impulsive behavior and attention. Previous studies have shown that addiction to other drugs like cocaine… Read More