Cannabis Current Events

Cannabis Current Events, Cannabis News Articles.
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Clear public health message on cannabis needed
Smoking cannabis, like smoking tobacco, can be a major public health hazard but, at present, there is no clear public health message about cannabis, argue researchers in this week's BMJ. (2003-05-01)

Cannabis psychosis: Gender matters
New research by health scientists at the University of York has revealed that a greater proportion of men than women suffer from cannabis psychosis. (2015-07-23)

Queen's University researcher connects cannabis use and sexual dysfunction
Rany Shamloul finds evidence to suggest that cannabis may have an even greater negative effect on sexual health than previously thought. (2011-02-22)

What 20 years of research on cannabis use has taught us
In the past 20 years recreational cannabis use has grown tremendously, becoming almost as common as tobacco use among adolescents and young adults, and so has the research evidence. A major new review in the scientific journal Addiction sets out the latest information on the effects of cannabis use on mental and physical health. (2014-10-06)

Study adds to evidence that high strength cannabis is associated with an increased risk of becoming dependent
New data presented at this year's International Early Psychosis Association meeting in Milan, Italy, (Oct. 20-22) adds to accumulating evidence that high-potency cannabis in associated with an increased risk of users becoming dependent on cannabis. The analysis is by Dr. Tom Freeman at University College London, UK. (2016-10-21)

New UK study suggests minimal relationship between cannabis and schizophrenia or psychosis
Last year the UK government reclassified cannabis from a class C to a class B drug, partly out of concerns that cannabis, especially the more potent varieties, may increase the risk of schizophrenia in young people. But the evidence for the relationship between cannabis and schizophrenia or psychosis remains controversial. A new study has determined that it may be necessary to stop thousands of cannabis users in order to prevent a single case of schizophrenia. (2009-10-22)

Cannabis increases risk of depression and schizophrenia
Frequent cannabis use increases the risk of developing depression and schizophrenia in later life, according to three studies in this week's BMJ. (2002-11-21)

Link between cannabis and death still not established
Although the use of cannabis is not harmless, its link with death is still not established, argues a senior researcher in this week's BMJ. (2003-09-18)

Study reveals increased cannabis use in individuals with depression
New findings published in Addiction reveal the prevalence of cannabis, or marijuana, use in the United States increased from 2005 to 2017 among persons with and without depression and was approximately twice as common among those with depression in 2017. (2019-12-09)

No evidence tougher policies deter adolescent cannabis use
A new study from the University of Kent has found no evidence that teenage cannabis use is lower in countries with tougher policies. (2019-02-19)

Component of marijuana may help treat anxiety and substance abuse disorders
Cannabidiol, a major component of cannabis or marijuana, appears to have effects on emotion and emotional memory, which could be helpful for treating anxiety-related and substance abuse disorders. (2017-03-07)

Cannabis use precedes the onset of psychotic symptoms in young people
Cannabis use during adolescence and young adulthood increases the risk of psychotic symptoms, while continued cannabis use may increase the risk for psychotic disorder in later life, concludes a new study published on bmj.com today. (2011-03-01)

Some truth to the 'potent pot myth'
New research from the Netherlands shows that people who smoke high-potency cannabis end up getting higher doses of the active ingredient. Although they reduce the amount they puff and inhale to compensate for the higher strength, they still take in more of the active ingredient than smokers of lower potency cannabis. (2014-03-18)

Study examines cannabis' effects on brain neurochemistry
A new Addiction Biology study provides the first evidence of a blunted response to stress-induced dopamine signaling in the brain's prefrontal cortex in individuals at high risk for psychosis who regularly used cannabis. (2019-08-07)

Users of high-potency cannabis four times more likely to report associated problems
Users of high-potency cannabis are four times more likely to report associated problems, and twice as likely to report anxiety disorder, than users of lower-potency strains, according to new research from the University of Bristol. (2020-05-28)

Cannabis almost doubles risk of fatal crashes
Driving under the influence of cannabis almost doubles the risk of a fatal road crash, finds a study published online by the BMJ today. However its share in fatal crashes is significantly lower than those involving alcohol. The study took place in France and involved 10,748 drivers who were involved in fatal crashes from October 2001 to September 2003. All drivers underwent compulsory tests for drugs and alcohol. (2005-12-01)

Marijuana could help treat drug addiction, mental health
Using marijuana could help some alcoholics and people addicted to opioids kick their habits, a UBC study has found. 'Research suggests that people may be using cannabis as an exit drug to reduce the use of substances that are potentially more harmful, such as opioid pain medication,' says the study's lead investigator Zach Walsh, an associate professor of psychology at UBC's Okanagan campus. (2016-11-16)

Public health must be top priority if cannabis is legalized in Canada
If Canada's new government decides to legalize cannabis, public health must be the top priority to prevent commercialization and promotion by 'Big Cannabis' and subsequent possible harms, argues an analysis published in CMAJ. (2015-09-21)

Cannabis use in people with epilepsy revealed: Australian survey
The first Australian nationwide survey on the experiences and opinions of medicinal cannabis use in people with epilepsy has revealed that 14 per cent of people with epilepsy have used cannabis products as a way to manage seizures. The study showed that of those with a history of cannabis product use, 90 per cent of adults and 71 per cent of parents of children with epilepsy reported success in managing seizures after commencing using cannabis products. (2017-03-09)

Cannabis smoke is less likely to cause cancer than tobacco smoke
Cannabis smoke is not as carcinogenic as tobacco smoke. In a review article published today in Harm Reduction Journal, Dr. Melamede from the University of Colorado, Colorado Springs, USA, writes that although cannabis smoke and tobacco smoke are chemically very similar, evidence suggests that their effects are very different and that cannabis smoke is less carcinogenic than tobacco smoke. (2005-10-17)

Cannabis excess linked to bone disease and fractures, study finds
People who regularly smoke large amounts of cannabis have reduced bone density and are more prone to fractures, research from the University of Edinburgh has found. (2016-10-12)

Canada should continue with separate medical stream after cannabis is legalized for recreational use
After cannabis is legalized, Canada should continue with a separate medical cannabis stream to keep patients safe, argues a commentary in CMAJ (Canadian Medical Association Journal). (2017-07-17)

Cannabis could increase risk of psychotic illness later in life by over 40 percent
There is now enough evidence to warn young people that using cannabis could increase their risk of developing a psychotic illness later in life by more than 40 percent, conclude authors of an Article published in this week's edition of The Lancet. (2007-07-26)

Study demonstrates link between reclassification of cannabis and cannabis psychosis
Researchers from the University of York have demonstrated that the change in cannabis declassification in 2009 has coincided with a significant increase in hospital admissions for cannabis psychosis -- rather than the decrease it was intended to produce. (2013-07-18)

Female cannabis users underrepresented in health research, study reveals
Research at the University of York has shown that women are underrepresented in research into links between cannabis and psychosis, which could limit understanding of the impact of the drug. (2019-06-04)

Cannabis dependence and abuse nearly doubled risk of heart attack post-surgery
According to a study led by researchers at St. Michael's Hospital of Unity Health Toronto, patients with cannabis use disorders had an increased cardiac risk post-surgery. (2019-12-03)

Cannabis use and the increased risk of psychosis: The debate continues
Two articles published today in F1000 Medicine Reports take a collaborative approach to argue the case for and against the link between cannabis use and psychotic illness. (2013-01-11)

Cannabis edibles present novel health risks
With the recent legalization of cannabis edibles in Canada, physicians and the public must be aware of the novel risks of cannabis edibles, argue authors in a commentary in CMAJ (Canadian Medical Association Journal). (2020-01-06)

Further evidence found for causal links between cannabis and schizophrenia
People who have a greater risk of developing schizophrenia are more likely to try cannabis, according to new research, which also found a causal link between trying the drug and an increased risk of the condition. (2016-12-19)

Study shows cannabis temporarily relieves PTSD symptoms
People suffering from post-traumatic distress disorder report that cannabis reduces the severity of their symptoms by more than half, at least in the short term, according to a recent study led by WSU psychology professor Carrie Cutler. (2020-06-09)

What future for cannabis?
The potential therapeutic effects of cannabis are outlined in a review in the May issue of The Lancet Neurology. The review is published in anticipation of results from randomised trials expected later this year investigating possible benefits of the drug for people with multiple sclerosis. The first cannabis-based medicines are currently being considered for license. (2003-04-16)

If cannabis use increases after legalization, government must alter the act
If cannabis use increases after legalization of recreational cannabis on Oct. 17, the Government of Canada should commit to changing the act to prevent negative health effects, argues an editorial in CMAJ (Canadian Medical Association Journal). (2018-10-15)

Cannabis linked to bipolar symptoms in young adults
Cannabis use in youth is linked to bipolar symptoms in young adults, finds new research by the University of Warwick. (2017-11-30)

Cannabis extract eases muscle stiffness typical of multiple sclerosis
Cannabis seems to ease the painful muscle stiffness typical of multiple sclerosis, indicate phase III trial results, published in the Journal of Neurology Neurosurgery and Psychiatry. (2012-10-08)

Daily cannabis use lowers odds of using illicit opioids among people who have chronic pain
For those using illicit opioids to manage their chronic pain, cannabis may be a beneficial -- and a less dangerous -- alternative, according to new research from the BC Centre on Substance Use (BCCSU). (2019-11-19)

Cannabis reduces headache and migraine pain by nearly half
Inhaled cannabis reduces self-reported headache severity by 47.3% and migraine severity by 49.6%, according to a recent study by Washington State University researchers published in the Journal of Pain. The study also found no evidence that cannabis caused 'overuse headache,' a pitfall of more conventional treatments. The researchers did see patients using larger doses of cannabis over time, indicating they may be developing tolerance to the drug. (2019-11-25)

Given the choice, patients will reach for cannabis over prescribed opioids
Chronic pain sufferers and those taking mental health meds would rather turn to cannabis instead of their prescribed opioid medication, according to new research by the University of British Columbia and University of Victoria. (2017-02-27)

Regular cannabis may increase risk of stroke in young users
Regular users of cannabis could be putting themselves at risk of stroke, while they are still young, indicates a case report, published in the Journal of Neurology Neurosurgery and Psychiatry. (2005-02-20)

New research sheds light on potentially negative effects of cannabis
Coughing fits, anxiety and paranoia are three of the most common adverse reactions to cannabis, according to a recent study by Washington State University researchers. (2020-03-30)

Emotional Intelligence and the use of tobacco and cannabis
Emotional Intelligence has become increasingly popular in the past few years, both at social and professional levels. The objective of the research carried out with UAB psychology students consisted in analysing the possible relation between Emotional Intelligence and the use of tobacco and cannabis. (2007-11-02)

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