See also:
- CEDRO - Centre for Drug Research, University of Amsterdam combines epidemiological and longitudinal research on illicit drugs, addiction theory, and drug policy developments in Europe.
- Mind's High - Nicely designed site about knowledge and emotion in relationship to drug usage.
- THCi - The Honest Cannabis Information Foundation - Some things every visitor needs to know. You don't want to accidentally eat "space cake" and coffee as just a morning snack.
- Trimbos-instituut - The Netherlands Institute of Mental Health and Addiction, aims to promote mental health in the broadest sense of the term.