Mental Health | Methamphetamine Use May Double Risk of Psychosis
Mental Health | Using methamphetamine within the last 6 months doubled the risk of having psychotic symptoms,
... researchers found in a prospective cohort study published online in Drug and Alcohol Dependence. Longer continuous use was shown to increase the risk even more.
Researchers followed 528 chronic methamphetamine users for 2 years after they left a treatment center in Guangdong, China. Their methamphetamine use and psychotic symptoms (measured with Positive and Negative Syndrome Scale) were assessed every 6 months.