While heroin, speed and cocaine use seems to be falling, mephedrone is more popular than ever. It emerged as the 'legal high' of the noughties, falling from grace when classified as a class B drug in 2010. However, now it's back in an injectable carnation and rising quickly in use.
It is easy to see how the drug might flourish. Less reliant on a traditional distribution system than crack, cocaine, ecstasy and crystal meth, mephedrone is more accessible to those living outside major city centres. And it has none of the "junkie" stigma associated with heroin and crack. But mephedrone's compulsive effect means that, in extreme cases, users are injecting the powder (dissolved in water) up to 20 to 40 times a day..."