The survey is now closed.

The first results should be available within the next 3-4 months (April-May 2019). For further information or to provide feedback you can contact:
Dr Toby Lea, German Institute for Addiction and Prevention Research, Cologne Germany,

If you would like more information or support about psychedelics, harm reduction, and mental health and wellbeing, the following links may be helpful. You are also free to contact the researchers with any questions.

The Third Wave: Information about microdosing and psychedelics.

MIND European Foundation for Psychedelic Science: Psychedelic harm reduction and education, and information about psychedelic research.

Drugs and Me: Information and advice about safer drug use.

Emma Sofia: Information and advice about safer drug use, with a focus on psychedelics and MDMA.

Healthy Place: Information and support for mental health and wellbeing.