A number of studies have found higher rates of various psychiatric problems among marijuana users, and there has been much debate about whether marijuana causes these problems or whether those with psychological issues are simply more likely to use it. In this study,...
May 19, 2011 Barcelona, Spain:The use of cannabis is associated with beneficial effects on various symptoms of fibromyalgia, including the relief of pain and muscle stiffness, according to the results of an observational case-control study published online in the...
Schizophrenia, a chronic mental illness, is often accompanied by poorer cognitive functioning, and some research has suggested that marijuana may worsen schizophrenia. But this case-control study shows enhanced cognitive functioning in schizophrenic subjects who use...
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...