Much of the purported link between marijuana use and psychosis is based on correlations between marijuana use and schizophrenia-like symptoms or traits, called “schizotypal personality.” But this study suggests that the effects of other drugs also used by...
As part of its evaluation of Britain’s system for classifying illicit drugs, Parliament commissioned the European branch of RAND Corporation, one of the world’s most respected think-tanks, to study the evidence underlying the classification of several...
This 60-page report is an evidence-based literature review of marijuana, based only upon research that followed well-accepted research designs, included strong statistical and procedural controls and passed a careful review by independent scientists. Commissioned by...
Unlike the U.S., the British government maintains an independent group of scientific experts to advise it on drug policy, called the Advisory Council on the Misuse of Drugs. In 2005, concerned about reports linking marijuana use to mental illness, the government asked...
While by no means an anti-prohibitionist document, this World Health Organization report makes a number of interesting points. The report notes, “despite intensive interdiction efforts, there always seems to be enough [drugs] available to users.”...
