D J DeWit
Affiliation: University of Western Ontario
- Age at first alcohol use: a risk factor for the development of alcohol disordersD J DeWit
Social, Prevention and Health Policy Research Department, Centre for Addiction and Mental Health, London, Ontario, Canada
Am J Psychiatry 157:745-50. 2000....
- Patterns of onset and cessation of drug use over the early part of the life courseD J DeWit
Clinical, Social and Evaluation Research Department, Addiction Research Foundation, London, Ontario, Canada
Health Educ Behav 24:746-58. 1997..Results are discussed in terms of their implications for the development of primary prevention and early intervention programs for adolescents and young adults...
- The influence of early and frequent use of marijuana on the risk of desistance and of progression to marijuana-related harmD J DeWit
Social, Prevention and Health Policy Research Department, Centre for Addiction and Mental Health, London, Ontario, N6G 4X8
Prev Med 31:455-64. 2000..Yet little is known regarding the effect of age at onset and frequency of lifetime marijuana use on desistance from use and on progression to marijuana disorders...