A new study has shown that even one or two joints cause changes in the brain areas related to processing emotion, learning and formation of memories.
Even minor marijuana use is just once or twice – can change the brain of a teenager, say the authors. The analysis covered a group of 14-year-old teenagers in Ireland, England, France and Germany. The results showed that even after a couple of methods of weed MRI detects changes in the brain, especially in areas responsible for cognitive function.
MRI shows differences in the volume of gray matter after cannabis use in adolescents in the center of memories and in the area responsible for learning. The results were published in the journal of Neuroscience.