New study links marijuana use to the early onset of schizophrenia
                                
                                
                                    (Newser) -
                                    Those at risk of mental illness are likely to hurry the onset of schizophrenia by 2.7 years simply by smoking pot, reports  Miller-McCune . “The earlier the disease starts, the greater the social disruption it causes," says Michael Compton, one of the report's authors. "You’re less...