Objective: To review and systematize all epidemiological studies of seasonal affective
disorder (SAD). Method: The relevant papers were identified by searches in Medline …

Background: The aim of the study is to investigate the relationship between the prevalence
of SAD and latitude. Methods: An overview of the epidemiological literature on the …

Background: For physiological and behavioural reasons, persons with mental illnesses often
experience poorer overall health than the general population and as such may be …

Objective The association between high temperature and mental disease has been the
focus of several studies worldwide. However, no studies have focused on the mental …

The operational criteria for seasonal affective disorder (SAD) have undergone several
changes since first proposed in 1984. SAD is currently included as a specifier of either …

Background This study assessed the direction of the relationship between symptoms of
insomnia disorder, depression, various anxiety disorders and obsessive compulsive …

Widely-cited research by Kamstra et al.(2003) argues that changes in mood resulting from
Seasonal Affective Disorder (SAD) drive changes in investor risk aversion and cause …

Poor mental health creates significant economic costs, in addition to human suffering, and is
a growing world-wide concern, especially with an aging population. To estimate the cost of …

Abstract Background Seasonal Affective Disorder (SAD) is well documented in the medical
literature, particularly in more northern latitudes in agreement with proposed hypotheses for …

Objective: To determine the prevalence of depression in a community with 15 000
inhabitants in Brazil (Bambuí). Method: The Composite International Diagnostic Interview …