| 英文摘要 |
Epidemiology is generally defi ned as quantitative study of the patterns and distribution, occurrence (incidence and prevalence), determination and prevention of illness. Classic epidemiologic research designs and methods developed to study epidemics and chronic diseases are increasingly being used in the investigation of psychiatric illnesses and their interaction between men and their environment. In recent years, psychiatric epidemiology has also been applied to the assessment of the benefi ts and risks of new psychopharmacological products as well as employing the new technology in molecular and genetic study in the investigation of various distinctive psychiatric illnesses (genetic epidemiology). |
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