According to a recent study, smoking marijuana for many years leads to a severe loss of intelligence: compared with people who did not consume cannabis, the IQ’s of smokers were lower by 13-38 points (Meier et al.: “Persistent cannabis users show neuropsychological decline from childhood to midlife”, PNAS 109, 2012). Moreover, after a long time of consumption, cognitive abilities and memory do not recover when smoking marijuana is eventually given up.
Recently, decriminalization of marijuana became a hotly discussed topic in Georgia. The opi...