According to British Crime survey figures that were published this week, the number of people taking illegal drugs in England and Wales has fallen, particularly amongst young people ages 16 to 24.

Home Editor Mark Easton cited successful campaigns and differences in the quality of drugs, such as cannabis, as a reason for the decline. He suspects that it has less to do with enforcement, saying that the "classification of drugs doesn't seem to stop people taking them".

Martin Barnes from the charity Drugscope called the numbers "very profound" and says they have largely been happening "under the policy radar". He thinks it's due to a "combination of social and cultural change"

Numbers have also fallen amongst young people in smoking and drinking alcohol.

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