In 15 years, HOPS defined a clear mission to promote, respect and protect the human rights and freedoms improve health and socioeconomic status of all people, especially drug users, sex workers and other marginalised groups.
Experts examined progress and defined common priorities on actions to be taken forward at national level and recognised the key role of monitoring and evaluation.
As Uruguay prepares to implement its pioneering cannabis legislation, health leaders are considering possible uses for medical forms of marijuana -- including in prisons, where many of the incarcerated are dependent on drugs.
The New Zealand government says its radical new approach to controlling psychoactive substances has led to fewer drugs, fewer retailers, and less harm to health.