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Возрастное влияние частоты употребления каннабиса и расстройства на симптомы психоза, депрессии и тревоги у подростков и взрослых

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Leadbeater, Bonnie J., Megan E. Ames, and Ashley N. Linden‐Carmichael. "Age‐varying effects of cannabis use frequency and disorder on symptoms of psychosis, depression and anxiety in adolescents and adults." Addiction 114, no. 2 (2019): 278-293.

В недавнем исследовании, опубликованном в Journal of Addiction, изучалась связь между употреблением каннабиса, расстройством, связанным с употреблением каннабиса, и симптомами психоза, депрессии и тревоги в выборке подростков и взрослых. Исследователи также изучили различия в этих ассоциациях, а также начало употребления каннабиса и половые различия.

Основные результаты:

  • Употребление каннабиса было связано с психотическими симптомами после 22 лет, с депрессивными симптомами в возрасте 16-19 лет и после 25 лет, но не с симптомами тревоги.
  • Расстройство, связанное с употреблением каннабиса...
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Livia

Conditional Probabilities of Substance Use Disorders and Associated Risk Factors

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Marel, C., Sunderland, M., Mills, K. L., Slade, T., Teesson, M., & Chapman, C. (2019). Conditional probabilities of substance use disorders and associated risk factors: Progression from first use to use disorder on alcohol, cannabis, stimulants, sedatives and opioids. Drug and alcohol dependence, 194, 136-142.

Highlights

Pre-existing mental disorders increases the risk of developing SUD.

  • Prior SUD increases the risk of transitioning from use to use disorder.
  • Highest rates of transition to SUD occurred among stimulant and opioid users.
  • Mood and anxiety disorders increased the risk of transitioning to AUD and CUD.
  • The rapidity of transition to SUD emphasizes the narrow opportunity to intervene.

Abstract

Background

Relatively little is known about factors that may lead to the development of a substance use disorder (SUD), across a range of drug classes. This study aimed to identify...

Livia

Cannabis Use and Risk of Schizophrenia: A Mendelian Randomization Study

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Vaucher, J., Keating, B. J., Lasserre, A. M., Gan, W., Lyall, D. M., Ward, J., ... & Holmes, M. V. (2017). Cannabis use and risk of schizophrenia: a Mendelian randomization study. Molecular psychiatry.

Abstract

Cannabis use is observationally associated with an increased risk of schizophrenia, but whether the relationship is causal is not known. Using a genetic approach, we took 10 independent genetic variants previously identified to associate with cannabis use in 32 330 individuals to determine the nature of the association between cannabis use and risk of schizophrenia. Genetic variants were employed as instruments to recapitulate a randomized controlled trial involving two groups (cannabis users vs nonusers) to estimate the causal effect of cannabis use on risk of schizophrenia in 34...

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Jose Luis Vazquez Martinez

Primeros episodios psicóticos y consumo de cannabis: interacción gen-ambiente. ¿Mito o realidad?

Jose Luis Vazquez Martinez -
El Dr. Luis San aborda la relación entre ls primeros episodios psicóticos y el consumo de cannabis. Presenta información de manaera muy interesante y amena, usando varios estuidos y publicaciones científicas para hablar sobre lo complejo de esta relación.
Jose Luis Vazquez Martinez

Acute Effects of Smoked and Vaporized Cannabis in Healthy Adults Who Infrequently Use Cannabis A Crossover Trial

Jose Luis Vazquez Martinez -
Research recently published by Spindle et al shows that even relatively low-potency cannabis can adversely affect inexperienced users. According to the results of this research, vaping cannabis could produce more pronounced drug effects and impairment than traditional smoking methods. To read the...
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Jose Luis Vazquez Martinez

Esquizofrenia y Cannabis: Conferencia del Dr. Francisco Arias, mayo 2017

Jose Luis Vazquez Martinez -
Conclusiones El consumo de cannabis es un posible factor de riesgo para esquizofrenia El consumo de cannabis adelanta la edad de inicio de la esquizofrenia Existen distintos factores de vulnerabilidad genéticos para psicosis en consumidores de cannabis El inicio temprano en el consumo de cannabis...
Jose Luis Vazquez Martinez

Triggering Myocardial Infarction by Marijuana

Jose Luis Vazquez Martinez -

In 2001, Murray Mittleman and other researchers published the article 'Triggering Myocardial Infarction by Marijuana.' They interviewed 3,882 patients with acute myocardial infarction, on average four days after infarction onset. They used the case-crossover study design to compare the reported use of marijuana within 60 minutes preceding symptoms of myocardial infarction onset to its expected frequency using self-matched control data. The results show that in the studied population, the risk of myocardial infarction onset was elevated 4.8 times over baseline in the first hour after marijuana...

Jose Luis Vazquez Martinez

Posibles problemas por consumo de cannabis

Jose Luis Vazquez Martinez -
Independientemente de su estatus legal, el consumo de mariguana puede producir daños a la salud. Se trata de una droga asociada con menor mortalidad que otras sustancias, pero que no está exenta de daños potenciales y se asocia con riesgos mayores si se consume en la adolescencia. A continuación se...
Posibles problemas por consumo de cannabis
Livia

Website Launched to Teach Youth about Risks of Cannabis

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With legalization of recreational cannabis looming, The Schizophrenia Society of Canada wants young people to understand the risks of using the drug.

The society has launched a new website to increase awareness.

‘Cannabis and Psychosis: Explore the Link’ aims to provide comprehensive and accessible information to help youth better understand the issue.

The website states: “Regular cannabis use impacts the development of a chronic life-long psychotic disorder in at risk individuals and is associated with an earlier age of onset of psychosis. However, there is currently no way to identify who...

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Livia

Conductores jóvenes que utilizan Cannabis en mayor riesgo de colisiones

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Ronen, A., Chassidim, H. S., Gershon, P., Parmet, Y., Rabinovich, A., Bar-Hamburger, R., ... & Shinar, D. (2010). The effect of alcohol, THC and their combination on perceived effects, willingness to drive and performance of driving and non-driving tasks. Accident Analysis & Prevention, 42(6), 1855-1865.

It has been suggested that cannabis use increases risk of driving collisions through affecting braking and choice reaction time; causing impairment of lane position, disrupting head-way and dynamic tracking; distorting time perception; reducing divided and sustained attention; and increasing caution. 

A recent Canadian study, published just two days before cannabis was legalized across the country, investigated the impact of cannabis use on driving performance in young recreational users.

The study investigated 45 recreational marijuana users between the ages of 18 and 24. Participant’s...

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Edie

Прекращение употребления каннабиса связано с улучшением памяти

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Schuster, R. M., Gilman, J., Schoenfeld, D., Evenden, J., Hareli, M., Ulysse, C., ... & Evins, A. E. (2018). One Month of Cannabis Abstinence in Adolescents and Young Adults Is Associated With Improved Memory. The Journal of Clinical Psychiatry, 79(6), 0-0.

Спорный вопрос о легализации каннабиса привел к возросшей срочности в понимании всех медицинских и социальных последствий употребления наркотиков. Употребление каннабиса особенно распространено в подростковом возрасте - период времени, когда молодые люди проходят через значительное нервное развитие. Считается, что употребление каннабиса влияет на нормальное нейросозревание, увеличивая риск когнитивных нарушений. 

В недавнем исследовании, опубликованном в Journal of Clinical Psychiatry, изучалось, могут ли молодые люди оправиться от когнитивных нарушений, вызванных наркотиками, прекратив...

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Jose Luis Vazquez Martinez

Os efeitos na saúde e sociais do uso não medicinal de cânabis

Jose Luis Vazquez Martinez -
A cânabis é a substância psicoativa sob controle internacional mais usada no mundo. Em 2013, cerca de 181,8 milhões de pessoas de 15 a 64 anos em todo o mundo usaram cânabis sem finalidade medicinal (estimativa de incerteza de 128,5 a 232,1 milhões) (UNODC, 2015). Há uma demanda crescente e...
Os efeitos na saúde e sociais do uso não medicinal de cânabis

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