CBD reduces impairment caused by cannabis

CBD reduces impairment caused by cannabis

A recent press release from EurkeaAlert! announced the publication of a ground-breaking study in the Journal of Psychopharmacology. According to the University of College London (UCL) study, cannabis strains with higher amounts of CBD lower the brain impairing side effects delivered by the intoxicating compounds within Cannabis.
Read the full press release and learn more about this ground-breaking study below:
Original Source: CBD reduces impairment caused by cannabis

The more cannabidiol (CBD) in a strain of cannabis, the lower the impairment to brain function, finds a new UCL-led brain imaging study.

The research, published in the Journal of Psychopharmacology, is the first study using fMRI (functional magnetic resonance imaging) to gauge how different strains of cannabis impact brain function.

“Over the last two decades, rates of addiction and psychosis linked to cannabis have been on the rise, while at the same time stronger strains of cannabis with more THC and less CBD have become increasingly common,” said the study’s lead author, Dr Matt Wall (UCL Clinical Psychopharmacology Unit and Invicro).

“We have now found that CBD appears to buffer the user against some of the acute effects of THC on the brain.”

There is growing evidence that THC is implicated in addiction and cannabis-induced psychosis. CBD, on the other hand, is being researched for a range of therapeutic functions, but the interplay between THC and CBD is not yet well-known.

In the present study, the researchers monitored brain activity at rest in 17 people after taking different strains of cannabis.

The two strains have equal levels of tetrahydrocannabinol (THC), but one of them also has high levels of CBD while the other strain, high-strength cannabis commonly known as skunk, contained negligible levels of CBD. Both strains are comparable to the different strains of cannabis in common usage.

The researchers found that the low-CBD strain impaired functional connectivity in the brain’s default mode (particularly in the posterior cingulate area) and salience networks, while the high-CBD strain caused only a minimal disruption to the these regions, suggesting that the CBD counteracts some of THC’s harmful effects.

The salience network supports other brain networks and determines what sensory or emotional inputs we pay attention to, and disruptions of the network have previously been implicated in addiction and psychosis.

The researchers also found that the THC-induced disruption of functional connectivity in the posterior cingulate was strongly correlated with participants’ reports of subjective experiences, such as feeling more ‘stoned’ or ‘high’, suggesting that the brain area may be central to driving cannabis’ subjective effects. This relationship between the posterior cingulate and subjective effects was also blocked by CBD.

The researchers say their findings add to evidence that cannabis strains with greater CBD content may be less harmful, suggesting that CBD content of cannabis should perhaps be regulated in jurisdictions where it’s legal.

“As cannabis is becoming legal in more parts of the world, people buying cannabis should be able to make an informed decision about their choice of cannabis strain and be aware of the relative risks,” said Dr Wall.

The findings also provide insight into why CBD holds potential for medicinal uses.

“If CBD can restore disruption to the salience network, this could be a neuroprotective mechanism to explain its potential to treat disorders of salience such as psychosis and addiction,” added senior author Professor Val Curran (UCL Clinical Psychopharmacology Unit).

The study involved researchers at UCL, Invicro, King’s College London, Imperial College London, and the University of Bath and was supported by Drug Science, Channel 4 Television, and the Beckley Foundation.

 

This article was republished on CBDNewsFeed.com from the original article, CBD reduces impairment caused by cannabis, which was originally published on 2019-04-23 15:15:00 (based on the date that was listed on the original article at the time it was republished). We shared this article on CBDNewsFeed.com because our editorial staff believed that its context was useful and helpful to our readers. If you have any questions regarding this article, please email us at .

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Read the original article at CBD reduces impairment caused by cannabis

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