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Funzing Talks| Psychosis & Weed - Cause or Cure?

Funzing Talks| Psychosis & Weed - Cause or Cure?

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322 guests joined
  •  181 Upper Street, London, N1 1RQ
Suitable for: Adults
Robin Murray is Professor of Psychiatric Research at the Institute of Psychiatry, Psychology and Neuroscience, Kings College, and indeed has spent most of his working life ther... More Info »
This Funzing Experience:
Can cannabis cause (or even perhaps treat) psychosis?

Cannabis is the most widely used illicit drug in the world, but in recent years several countries have decriminalised it or even legalised it for “medicinal” or recreational use.

Most people who use cannabis enjoy it and come to no harm, but, as with alcohol, some develop problems. In a minority, daily cannabis use is associated with a need to continue using (dependence) and, ultimately, an increased risk of psychotic illnesses like schizophrenia. This can lead to social
withdrawal, excessive suspicion and paranoia, and even delusions and hallucinations.

About one quarter of cases of psychosis in London are due to use of cannabis. The risk is greatest in those who start to use in adolescence and in those with a family history of psychiatric disorder. As yet, there is not convincing evidence that cannabis use increases risk of other psychiatric disorders, but long-term very heavy use can have detrimental effects on cognitive function.

Giving tetrahydrocannabinol (THC), the active ingredient of cannabis, intravenously induces transient psychosis in normal subjects, but this effect can be ameliorated by prior administration of another constituent of cannabis, cannabidiol (CBD). Indeed, there is some recent evidence that
CBD can be useful in some forms of epilepsy, and that adding it to traditional antipsychotics may be helpful in the treatment of schizophrenia. CBD is found in equal strength to THC (about 4%) in traditional hash (resin), but is largely absent from modern high-potency forms of cannabis such as “skunk” which contain an average of 16% THC. Thus the latter carries more of the pro-psychotic THC and less of the protective CBD; synthetic cannabinoids such as “spice” are the
most risky.


Venue: Dead Dolls House, Islington

Doors: 7pm / Talk starts: 7.30pm.

*Please see venue website for admission (age restrictions) or accessibility information. Our talks may be filmed for promotional purposes.

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Funzing Talks are here to re-invent your evenings, creating an exciting alternative to having a drink in your local pub or bar. Funzing Talks pull together an impressive array of leading entrepreneurs, intellectuals, bright thinkers and incredible individuals to inspire your evenings and expand your mind.

Held in a carefully selected range of intimate spaces, Funzing Talks is the ultimate boredom-buster.

Delve into a totally new subject and challenge your perspectives with like-minded, equally curious people. It's time to try something different - you never know where it may take you.

Photo by Esteban Lopez on Unsplash

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Can cannabis cause (or even perhaps treat) psychosis? Cannabis is the most widely used illicit drug in the world, but in recent years several countries have decriminalised it or even legalised it for “medicinal” or recreational use. Most peopl... Read More
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