Abuse of marijuana helps poor memory

Abuse of marijuana leads to structural changes in at least two areas of the brain - the hippocampus and the amygdala, reported the researchers. Despite the day by day growing evidence of the harmful effects of marijuana on the brain, many people find it easy and relatively safe drug and advocate the legalization of marijuana after Yusel Murat (Murat Yücel), Doctor of Philosophy of the Research Centre, Melbourne , Australia. Scientists have the study, which was attended by 15 people who smoke marijuana often in the last 10 years, and 16 Non smoking participants. The study found that smoking significantly reduced the volume of brain tissue in the hippocampus and amygdala, and poor performance, the. The state of the memory The researchers found that the average size of the hippocampus, which is for memory, smoking marijuana at 12% less than those who do not smoke. And the average size of the amygdala, which is responsible for the emotional sphere, compared with 7% in smokers grass nonsmokers. The researchers also found that people who abuse marijuana, often with symptoms of mental disorders, although these symptoms do not meet criteria for mental illness. Also, we previously reported that marijuana increases the risk of stroke and heart attack.