Complex cannabis use patterns: Associations with cannabis consequences and cannabis use disorder symptomatology

Does liberalizing cannabis laws increase cannabis use?

A key question in the ongoing policy debate over cannabis' legal status is whether liberalizing cannabis laws leads to an increase in cannabis use. This paper provides new evidence on the impact of a specific type of liberalization, decriminalization, on initiation into cannabis use. Our identification strategy exploits variation in the timing of cannabis policy reforms and our estimation frame...

Adverse Health Consequences of Cannabis Use

4. Patterns and Extent of Cannabis Use

SOCIAL HISTORY OF CANNABIS USE IN NORTH AMERICA Popular use of cannabis by Europeans and North Americans is a phenome-non of the second third of the twentieth century. The development of popular North American use of cannabis does not appear to have begun until the turn of this century in the southern United States. There was a slow spread of use in North America up to the 1950s and 1960s when ...

A persisting perception disorder after cannabis use

may lead to acute intoxication, dependence or psychosis but some reports suggest that it may be associated with the type of perceptual disorder usually described after hallucinogen use.1 Hallucinogen persisting perception disorder (HPPD) is an uncommon or rare consequence of ‘classical’ hallucinogen misuse. Patients experience persistent and distressing perceptual changes, such as visual distor...

Cannabis use patterns and their association with DSM-IV cannabis dependence and gender.

AIMS To investigate the gender differences in the patterns of cannabis use (CU), namely frequency, times of day, social context and methods and in their association with DSM-IV cannabis dependence. METHODS A sample of 3,904 students from German universities was recruited via an internet survey. Logistic regressions and associated areas under the ROC curve (AUC) were calculated among current c...