Other in-depth reports
Cannabis contains more than 400 chemicals. The main psychoactive ingredient is delta-9-tetrahydrocannabinol, or 'THC'
Cannabis contains more tar than tobacco, and has a higher concentration of carcinogens (cancer-causing agents)
Cannabis became a controlled substance in Britain in 1928
Three-quarters of people in the UK say drugs are a problem in their area, according to a BBC survey.
More than half of the 1,190 people surveyed by ICM also said they thought the police were not doing enough to combat the drugs problem.
Drug traffickers operate in almost every country in the world but there are some particularly well worn routes from areas which produce drugs to markets where demand is high.
Find out how Cocaine, Heroin, Ecstasy/amphetamines and Cannabis reach Britain with our clickable map.
The capacity of drug abuse to destabilise our society could be matched by terrorism alone.
Four experts explain where they thought the UK's drugs policy should - or would - be in 10 years' time.
For more information or support on these issues:
~RS~q~RS~~RS~z~RS~15~RS~)
~RS~a~RS~International~RS~q~RS~~RS~z~RS~15~RS~){kind=small}
E-mail this to a friend
Printable version
Bookmark with:
What are these?