No dopes: Britain’s first ever legal cannabis convention attracts thousands from around world 

No dopes: Britain’s first ever legal cannabis convention offering hemp-extract flat whites and treatments for everything from insomnia to arthritis attracts thousands from around world More than 5,000 descended on Birmingham NEC for this weekend’s convention  Solely dedicated to hemp and cannabidiol, which is extracted from cannabis  Cannabidiol, known as CBD, does not get users high as it doesn’t contain THC  More than 5,000 people attended Britain’s first ever legal cannabis convention over