What is ISSUP?
We are an international network that unites, connects and shares knowledge across the substance use workforce. We aim to make the work of our members as effective as possible through knowledge sharing, training and networking opportunities.
Who is ISSUP for?
ISSUP is for everyone who is doing something to address substance use in a variety of settings. This includes health and treatment professionals, prevention practitioners, market disruption and supply, law enforcement, policy makers, and community-led groups like youth and volunteers.
52,460 ISSUP Members worldwide
Map showing distribution of ISSUP members around the world
Latest Webinars
Behavioural Addiction among Youths: Patterns and Innovative strategies for Prevention
ISSUP Nigeria would like to invite you to the 34th session of its bi-monthly webinar in the Knowledge Update Series. This webinar will focus on the topic 'Behavioural Addiction among Youths: Patterns and Innovative strategies for Prevention'.
Location Online
Date 28 July 2026
Knowledge Share
Explore the UNODC World Drug Report 2026: Drug Market Patterns and Trends
Published by UNODC
Knowledge Share
Law Enforcement and Prevention of Problem Behaviors: An Important Connection to Improve the Health and Safety of Our Communities
Published by Applied Prevention Science International
Date 09 Jun 2026
The ISSUP Exchange Podcast
Democratising Evidence with David Patton Pt. 4: The Future of Evidence
Published by The ISSUP Exchange - Episode 6.4
Date 07 Jul 2026