Cannabis continues to be the most widely used drug worldwide. Recently, there has been two trends in the field: a liberalization of cannabis-related legislation in a number of countries, as well as an increase in the content of the psychoactive component in cannabis plant – tetrahydrocannabinol. The review covers a topic that has been little studied in Russian addiction science – cannabis use...
The paper describes diagnostic criteria, clinical presentation and types of hallucinogen persisting perception disorder (HPPD), as well as current approaches to the treatment of this phenomenon using available scientific sources. Three case reports are also presented to demonstrate different types of this disorder. The first case report describes a 23-year old patient with a previous history of...