[The factors affecting the mental health status and dynamics of the population]

The main factors having influence upon the state and the dynamics of mental health of population were considered on the basis of both literature data and authors own observations. The following groups of factors influencing either rise of psychical disorders incidence or their development as well as accumulation of patients in population were distinguished as well as corresponding epidemiological indices were identified too: 1) the level of psychiatric aid development, the principles of it organisation, 2) the inner conditions of diseases development, 3) social factors, 4) natural and anthropogenic environment.