The Lisbon Addictions 2024 Conference was a great success, with over 2200 people from 103 countries. ISSDP was delighted to run the drug policy track once more and see so many people engaged in drug policy discussions. You can watch the ISSDP major session on “Cannabis legalisation in Canada and the US: policy variation, state of the evidence and ideas for future research” here that featured leading academics and policy makers from both countries: