New study highlights that cannabis potency has doubled across Europe in the past decade. The findings of the study are published in the journal Addiction.
Cannabis resin and herbal cannabis have significantly increased in potency and in price, according to the first study to investigate changes in cannabis across Europe.
Cannabis
Cannabis has a long history of medicinal, recreational, and industrial use and comes from a bushy plant with thick sticky flowers called Cannabis Sativa
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‘Cannabis potency has doubled across Europe. A new study highlights that cannabis resin and herbal cannabis have significantly increased in potency and price.’
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The study by researchers from the University of Bath and King's College London, draws on data collected from across 28 EU Member states, as well as Norway and Turkey by the European Monitoring Centre for Drugs and Drug Addiction.
The findings show that for herbal cannabis, concentrations of delta-9-tetrahydrocannabinol ('THC' - the main psychoactive constituent of cannabis) increased by a similar amount each year, from 5% in 2006 to 10% in 2016.
![Cannabis Extract Decreases Brain Abnormalities in Psychosis]( "Cannabis Extract Decreases Brain Abnormalities in Psychosis")
Psychosis, a mental disorder causes altered responses in three brain regions that can be controlled by cannabidiol, a cannabis extract.
For cannabis resin (or hash), THC concentrations were relatively stable from 2006 to 2011 (from 8% to 10%) but then increased rapidly from 2011 to 2016 (from 10% to 17%). The price of cannabis resin also increased, but to a lesser extent than for herbal cannabis.
Lead author Dr. Tom Freeman from the Addiction and Mental Health Group within the Department of Psychology at the University of Bath, said: "These findings show that cannabis resin has changed rapidly across Europe, resulting in a more potent and better value product."
Unlike herbal cannabis, cannabis resin typically contains cannabidiol (CBD) in addition to THC. CBD has recently attracted considerable interest due to its potential to treat several medical conditions including childhood epilepsy syndromes, psychosis, and anxiety. When present in cannabis, CBD may offset some of the harmful effects of THC such as paranoia and memory impairment.
Cannabis containing higher levels of THC and/or lower levels of CBD has been linked to greater long-term harms such as the development of cannabis dependence, and an increased risk of psychotic illness. New resin production techniques in Morocco and Europe have increased levels of THC, but not CBD.
Dr. Freeman added: "CBD has the potential to make cannabis safer, without limiting the positive effects users seek. What we are seeing in Europe is an increase in THC and either stable or decreasing levels of CBD, potentially making cannabis more harmful. These changes in the illicit market are largely hidden from scientific investigation and are difficult to target by policy-makers. An alternative option could be to attempt to control THC and CBD content through regulation."
It is estimated that 24 million people (or 7.2%) of European adults used cannabis in the last year. Across the globe, 192 million people use the drug in a variety of markets, ranging from heavily sanctioned prohibition to commercialized legal sale. Cannabis policies are rapidly changing across the globe.
Recreational use is now legalized in Canada and several US states, and medical use is permitted in many more countries, including very recently in the UK.
Source: Eurekalert
Cannabis Extract Decreases Brain Abnormalities in Psychosis
Psychosis, a mental disorder causes altered responses in three brain regions that can be controlled by cannabidiol, a cannabis extract.
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For cannabis resin (or hash), THC concentrations were relatively stable from 2006 to 2011 (from 8% to 10%) but then increased rapidly from 2011 to 2016 (from 10% to 17%). The price of cannabis resin also increased, but to a lesser extent than for herbal cannabis.
Lead author Dr. Tom Freeman from the Addiction and Mental Health Group within the Department of Psychology at the University of Bath, said: "These findings show that cannabis resin has changed rapidly across Europe, resulting in a more potent and better value product."
Unlike herbal cannabis, cannabis resin typically contains cannabidiol (CBD) in addition to THC. CBD has recently attracted considerable interest due to its potential to treat several medical conditions including childhood epilepsy syndromes, psychosis, and anxiety. When present in cannabis, CBD may offset some of the harmful effects of THC such as paranoia and memory impairment.
Cannabis containing higher levels of THC and/or lower levels of CBD has been linked to greater long-term harms such as the development of cannabis dependence, and an increased risk of psychotic illness. New resin production techniques in Morocco and Europe have increased levels of THC, but not CBD.
Dr. Freeman added: "CBD has the potential to make cannabis safer, without limiting the positive effects users seek. What we are seeing in Europe is an increase in THC and either stable or decreasing levels of CBD, potentially making cannabis more harmful. These changes in the illicit market are largely hidden from scientific investigation and are difficult to target by policy-makers. An alternative option could be to attempt to control THC and CBD content through regulation."
It is estimated that 24 million people (or 7.2%) of European adults used cannabis in the last year. Across the globe, 192 million people use the drug in a variety of markets, ranging from heavily sanctioned prohibition to commercialized legal sale. Cannabis policies are rapidly changing across the globe.
Recreational use is now legalized in Canada and several US states, and medical use is permitted in many more countries, including very recently in the UK.
Source: Eurekalert
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Cannabis use in and of itself does not appear to lead to conduct problems or increasing attraction to peers who use cannabis.
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 Cannabis Might Get Legalized in Thailand for Medical UseCannabis might get legalized in Thailand for medical use only; the decision has come after an increasing number of countries worldwide had started to accept the legitimate medicinal benefits of cannabis. | Advertisement
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