Psychiatry and the Burden of Mental Illness

Objective: To examine the morbidity produced by mental disorders, to project changes in morbidity likely to be produced by demographic and economic change, and to review the possible role of psychiatry in the health care system. Methods: Using prevalence data for psychiatric disorders and population projections, this paper presents the likely changes in morbidity over the next 20 years. A review of social and economic information indicates changes in social attitudes and their effects on mental health. This paper examines the determinants of health and how they are likely to change and explores some possible directions for changes in health care delivery. Results: Psychiatric disorders have been greatly underestimated as a cause of disability but account for 5 of the 10 leading causes of disability and 47.2% of all years lived with a disability (YLD) in developed countries. By 2016, there will be significant changes in the distribution and type of psychiatric disorders seen in the populat