Cannabis strength doubles around Europe in 11 decades

Cannabis potency has skyrocketed across Europe within the last ten years, according to the first study to monitor changes in the medication throughout the continent.

The analysis, published on Sunday at the journal Medicine and conducted by researchers in the University of Bath and King’s College London, finds both cannabis resin and herbal cannabis have improved in strength and cost with potentially harmful effects for consumers.

in herbal cannabis, concentrations of THC – the key psychoactive constituent of cannabis that has been associated with psychosis – improved from 5 percent at 2006 to 10 percent in 2016.

For cannabis resin, THC concentrations remained comparatively steady between 2006 and 2011 before growing swiftly from 10 percent to 17 percent involving 2011 and 2016.

The cost of herbal cannabis rose from $1. 36 per gram to $12. 22 involving 2006 and 2016 while the purchase price of cannabis resin rose from $8. 21 per gram to $12. 27 per g over precisely the exact same period.

In the united kingdom alone, THC levels in herbal cannabis stayed approximately equivalent between 2006 and 2016, nevertheless police seizures indicate they’ve grown sharply in cannabis resin. )

“These findings show that cannabis resin has changed rapidly across Europe, resulting in a more potent and better value product,” stated Dr Tom Freeman in the Addiction and Mental Health Group in the Department of Psychology in the University of Bath, who headed the analysis, which was financed by the Society for the Research.

Increases from the potency of cannabis resin are mainly down to brand new generation methods in Morocco and Europe. However, while THC levels have improved, quantities of cannabidiol (CBD) discovered in cannabis resin believed to cancel some of the damaging effects of THC – have remained steady or declined.

“CBD has the potential to make cannabis safer, without limiting the positive effects users seek,” Freeman stated. “What we are seeing in Europe is an increase in THC and either stable or decreasing levels of CBD, potentially making cannabis more harmful.”

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