Den Stora tråden med Skvaller och Notiser om cannabis. Läs första inlägget! [/Mod]

Researchers at the University of Bristol and the London School of Hygiene and Tropical Medicine analyzed numbers of users, the risk of developing schizophrenia and the risk of marijuana use causing schizophrenia and found it would be necessary to stop 2,800 young men who are heavy marijuana users or in young women, 5,000 heavy users, to prevent a single case of schizophrenia.

Among light marijuana users, those numbers rise to more than 10,000 young men and nearly 30,000 young women to prevent one case of schizophrenia