Mephedrone use and associated adverse effects in school and college/university students before the UK legislation change

We have shown in this study that the use of mephedrone among school and college/university students is common and that users found it easy to obtain. There was a high prevalence of unwanted effects associated with its use. Further work is needed to determine the impact of the recent changes in the UK legislation relating to mephedrone and other related cathinones and whether this has been effective in reducing the prevalence of mephedrone use.