Most cannabis being sold illegally in the UK is super-strength skunk linked to a higher risk of psychotic mental health episodes, an analysis of 995 samples seized by the police suggests.
In 2016, 94% of police seizures were high-potency marijuana, compared to 85% in 2008 and 51% in 2005.
The drug contains more of the psychoactive ingredient THC than some other types of cannabis, such as hash.
Researchers from King’s College London say users should be warned of this.
Types of cannabis
There are three
... read more at: http://www.bbc.co.uk/news/health-43196566