However, the nature of the social structures and processes which affect the drug - taking behaviour of the population continue to undergo great changes, and, in the final analysis, the possibility that the prevalence of heroin use in Wirral will peak but not fall cannot be ruled out.
However, the nature of the social structures and processes which affect the drug - taking behaviour of the population continue to undergo great changes, and, in the last page of the report, the possibility that the prevalence of heroin use in Wirral will peak but not fall cannot be ruled out.