THE average cannabis joint is no stronger than it was 25 years ago, say EU experts. They have analysed official data from across the EU and concluded there have been no significant changes in cannabis potency. Levels of the drug's active ingredient - D9-tetrahydrocannabinol (THC) - has remained virtually constant. Cannabis resin (hashish) produced overseas comprised about 70 per cent of the UK market, with the rest being marijuana, around half of which was imported. On the typical British joint, the report said: "The absence of any decline in the amount of herbal cannabis or resin used may suggest there...
