INTRODUCTION Cannabis is the most widely used illicit drug worldwide. As societies reconsider the legal status of cannabis, policy makers and clinicians require sound knowledge of the acute and chronic effects of cannabis. This review focuses on the latter. METHODS A systematic review of Medline, PubMed, PsychInfo, and Google Scholar using the search terms "cannabis," "marijuana," "marihuana,...

AIM AND OBJECTIVE Examine the pharmaceutical qualities of cannabis including a historical overview of cannabis use. Discuss the use of cannabis as a clinical intervention for people experiencing palliative care, including those with life-threatening chronic illness such as multiple sclerosis and motor neurone disease [amyotrophic lateral sclerosis] in the UK. BACKGROUND The non-medicinal use ...

BACKGROUND Cannabis and tobacco have contrasting cognitive effects. Smoking cannabis with tobacco is prevalent in many countries and although this may well influence cognitive and mental health outcomes, the possibility has rarely been investigated in human experimental psychopharmacological research. METHOD The individual and interactive effects of cannabis and tobacco were evaluated in 24 n...

This overview covers a wide range of cannabis topics, initially examining issues in dispensaries and self-administration, plus regulatory requirements for production of cannabis-based medicines, particularly the Food and Drug Administration "Botanical Guidance." The remainder pertains to various cannabis controversies that certainly require closer examination if the scientific, consumer, and go...

There is evidence that the use of cannabis is increasing in Australia, with stable black-market prices, despite the 9-year National Campaign Against Drug Abuse, increasing expenditure to enforce the laws against cannabis use, and the seizure of large plantations of cannabis plants. Recent government data are used to estimate the conservative cost of drug-law enforcement against cannabis use as ...

Cognitive biases, including implicit memory associations are thought to play an important role in the development of addictive behaviors. The aim of the present study was to investigate implicit affective memory associations in heavy cannabis users. Implicit positive-arousal, sedation, and negative associations toward cannabis were measured with three Single Category Implicit Association Tests ...

BACKGROUND AND AIMS To explore the association between chronic cannabis abuse and a cyclical vomiting illness that presented in a series of cases in South Australia. METHODS Nineteen patients were identified with chronic cannabis abuse and a cyclical vomiting illness. For legal and ethical reasons, all patients were counselled to cease all cannabis abuse. Follow up was provided with serial ur...

Cannabis is the most widely used illicit drug throughout the developed world and there is consistent evidence of heritable influences on multiple stages of cannabis involvement including initiation of use and abuse/dependence. In this paper, we describe the methodology and preliminary results of a large-scale interview study of 3,824 young adult twins (born 1972-1979) and their siblings. Cannab...

BACKGROUND Anxiety reactions and panic attacks are the acute symptoms most frequently associated with cannabis use. Understanding the relationship between cannabis and anxiety may clarify the mechanism of action of cannabis and the pathophysiology of anxiety. Aims of the present study were to review the nature of the relationship between cannabis use and anxiety, as well as the possible clinica...

OBJECTIVE To investigate the association of cannabis use and tobacco smoking on the incidence of bladder cancer within the California Men's Health Study cohort. METHODS We evaluated the records of 84,170 participants in a multiethnic cohort of men aged 45-69 years. Information on demographic and lifestyle factors including smoking history and cannabis use was collected using mailed questionna...