Corpus ID: 53051550

Clearing the Smoke on Cannabis Chronic Use and Cognitive Functioning and Mental Health – An Update

  title={Clearing the Smoke on Cannabis Chronic Use and Cognitive Functioning and Mental Health – An Update},
  author={Opal Arilla McInnis and Amy J. Porath-Waller},
• Chronic cannabis use is related to mild cognitive impairments and an increased risk for poor mental health. These relationships raise the possibility that its use can also interfere with academic, workplace and social functioning, particularly in young people. There is a need for efforts that focus on preventing, delaying and reducing the use of cannabis by adolescents and young adults. • Chronic cannabis use has been associated with mild impairments of memory, attention and other cognitive… 
Clearing the Smoke on Cannabis: Regular Use and Cognitive Functioning
• Regular use refers to weekly or more frequent cannabis use over a period of months to years. Regular cannabis use is associated with mild cognitive difficulties, which are typically not apparent
Executive Functions and Cannabis Use in Adolescents
The developmental phase of adolescence is characterized by a multitude of neurocognitive and psychosocial changes and is therefore considered one of the most critical developmental periods of life.
Clearing the Smoke on Cannabis Medical Use of Cannabis and Cannabinoids – An Update
• Healthcare practitioners need access to the best available scientific evidence to help patients make informed decisions about the medical use of cannabis and cannabinoids. There is a great need for
Clearing the Smoke on Cannabis Respiratory Effects of Cannabis Smoking – An Update
• Cannabis smoking has been consistently related to a greater incidence of cough, wheeze, aggravation of asthma, sore throat, chest tightness, shortness of breath and hoarse voice. • There is
Clearing the Smoke on Cannabis: Cannabis Use and Driving – An Update
• Driving after using cannabis is more prevalent than driving after drinking, particularly among young drivers. • Cannabis impairs the cognitive and motor abilities necessary to operate a motor
Exploring the relationship between cannabis use expectancies and the initiation of cannabis use among Canadian adolescents
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Clearing the Smoke on Cannabis Maternal Cannabis Use during Pregnancy – An Update
• Cannabis is the illicit drug most commonly used during pregnancy. • Constituents of cannabis can pass into breast milk during lactation and are absorbed and metabolized by the infant. • Frequent


The effects of cannabis use during adolescence.
So what does this report tell us about the health effects of adolescent cannabis use? First and foremost, cannabis is not a harmless drug. It can be addictive and the risk increases the earlier it is
Persistent cannabis users show neuropsychological decline from childhood to midlife
Persistent cannabis use was associated with neuropsychological decline broadly across domains of functioning, even after controlling for years of education and cessation of cannabis use, suggestive of a neurotoxic effect of cannabis on the adolescent brain.
Cannabis use in adolescence and risk for adult psychosis: longitudinal prospective study
This is the first prospective longitudinal study of adolescent cannabis use as a risk factor for adult schizophreniform disorder, taking into account childhood psychotic symptoms, and the Dunedin multidisciplinary health and development study has a 96% follow up rate at age 26.
Genetic predisposition to schizophrenia associated with increased use of cannabis
In a sample of 2082 healthy individuals, an association is shown between an individual’s burden of schizophrenia risk alleles and use of cannabis, suggesting that part of the association between schizophrenia and cannabis is due to a shared genetic aetiology.
What has research over the past two decades revealed about the adverse health effects of recreational cannabis use?
The epidemiological literature in the past 20 years shows that cannabis use increases the risk of accidents and can produce dependence, and that there are consistent associations between regular cannabis use and poor psychosocial outcomes and mental health in adulthood.
Cognitive Measures in Long‐Term Cannabis Users
It is suggested that cannabis‐associated cognitive deficits are reversible and related to recent cannabis exposure rather than irreversible and related with increasing duration of lifetime cannabis use.
Cannabis use predicts future psychotic symptoms, and vice versa.
The results imply either a common vulnerability with varying order of onset or a bi-directional causal relationship between cannabis use and psychosis, which is needed to narrow down the possibilities.
Cognitive functioning of long-term heavy cannabis users seeking treatment.
It is confirmed that long-term heavy cannabis users show impairments in memory and attention that endure beyond the period of intoxication and worsen with increasing years of regular cannabis use.
Prospective cohort study of cannabis use, predisposition for psychosis, and psychotic symptoms in young people
Cannabis use moderately increases the risk of psychotic symptoms in young people but has a much stronger effect in those with evidence of predisposition for psychosis.
Early-onset cannabis use and cognitive deficits: what is the nature of the association?
Early-onset cannabis users exhibit poorer cognitive performance than late-ONSet users or control subjects, especially in VIQ, but the cause of this difference cannot be determined from the data.