We want to say the biggest thank you to the 15,500 of you from the USA and Canada to Finland and Germany, to Mexico and Australia and even Brazil and Estonia. This years Global Drug Survey is now closed. It has been the biggest drug survey of current drug use ever conducted.

The 2013 survey is now active and can be found here.

For updates see www.globaldrugsurvey.com.

Dr Adam Winstock and the Global Drug Survey team.