Experts conducted a study in which tried to find out whether marijuana use causes paranoia, ie, intrusive thoughts on the fact that others are willing to cause you nothing but harm.
Results of the study published in Schizophrenia Bulletin. In this experiment involved 121 people age 21 - 50 years. Each of them admitted that they often arise paranoid thoughts.
The first group of respondents were dosed tetragidrokannabioida which protrudes active ingredient of marijuana, while the second group was given a placebo. All participants were in the framework of experiments in different simulated situations. In the end, exactly half of the subjects told about paranoid thoughts that visit them. Among respondents who were exposed to placebo, was paranoid only 30%.
In addition, the experts found that the input marijuana increases the level of anxiety, causing fear and negative thoughts, lowers the level of RAM.
A little earlier experts from the United States conducted a study that focused on the establishment of certain effects of marijuana on the activity of the human brain. The experiment involved adolescents with schizophrenia, but also their peers who do not suffer from mental disorders. Participants were divided into three groups, two of which used marijuana, a third - did not even try drugs ever. Participants performed tasks on the memory, and then it turned out that teenagers who use marijuana is stored in thirty seven times worse in comparison with those who did not take drugs.
http://www.youtube.com/watch?v=GKyxHiQO-Lk
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