Psychotic syndromes can be understood as disorders of adaptation to social context.
Although heritability is often emphasized, onset is associated with environmental factors …

Background We conducted a systematic review of incidence rates in England over a sixty-
year period to determine the extent to which rates varied along accepted (age, sex) and less …

Background Understanding variations in the incidence of schizophrenia is a crucial step in
unravelling the aetiology of this group of disorders. The aims of this review are to …

Background Sex differences in the risk of a particular disorder can yield important clues
regarding its pathogenesis. The evidence for a sex difference in the risk of schizophrenia is …

Study objective: The concept of social capital has influenced mental health policies of
nations and international organisations despite its limited evidence base. This papers aims …

In recent years, there has been increasing interest in research on geographical variation in
the incidence of schizophrenia and other psychoses. In this paper, we review the evidence …

More than 10 studies have consistently shown that around one-third of all schizophrenia
incidence may be related to unknown but likely unconfounded environmental factors …

Background Urban and rural populations have different rates of psychotic illness. If
psychosis exists as a continuous phenotype in nature, urban-rural population differences in …

Context Convention suggests uniformity of incidence of schizophrenia and other psychoses;
variation would have implications for their causes and biological characteristics. Objective …

areas. However, a community may be of family, friends or people from the same ethnic,
lifestyle or religious group. There are an infinite number of grouping levels, from the …