To parents hoping to learn simplified scientific information to prevent their children from using drugs, to young people wishing to discover facts about the effects of drug use, to researchers wishing to discover scientific research and studies, to civil society activists and specialists in the field seeking to build on their capabilities and to discover advanced training skills, to policy makers at the national committees for drug prevention and control, and to the media, we have strived to develop this content, which we will continue to enrich with information on a regular basis.