<unk>  is an emerging branch of the discipline of epidemiology. It is a growing field of scientific enquiry, with the first documented modern epidemiological survey being conducted in 1979. There is extensive interest in<unk>  research in the UK, Europe and worldwide. In the UK and US this manifests itself in research centres which often have<unk>  laboratories where the<unk>  patterns and conditions of individuals can be observed, as well as the effect of various treatments. Similarly assessment and treatment of<unk>  disorders is evident in health care and clinical centres, sometimes in partnership with universities.
Sleep epidemiology
Cognitive epidemiology
Psychiatric epidemiology
Epidemiology of suicide
Epidemiology of child psychiatric disorders
Nutritional epidemiology
Acoustic epidemiology
Public health surveillance