"Generally speaking, it is reasonable to conclude, on the basis of the available knowledge, that to a large extent DCFs [Drug Consumption Facilities] achieve the objectives set for them, and that the criticisms made of them are rarely justified. In fact, DCFs help to:
"• reduce risk behaviour likely to lead to the transmission of infectious diseases, particularly HIV/AIDS, among the population of the worst affected drug users;
"• reduce the incidence of fatal overdoses and, therefore, the mortality rate in this population;