Objectives: Major depressive disorder (MDD) is one of the most disabling mental illnesses
and it has a significant impact on society. This review aims to provide updated scientific …

Persistent depressive disorder is a chronic mood disorder that is common and often more
disabling than episodic major depression. In DSM-5, the term subsumes several chronic …

Background Psychological distress refers to non-specific symptoms of stress, anxiety and
depression, and it is more common in women. Our aim was to investigate factors …

Background There is a growing understanding of the prevalence and impact of
psychological disorders on COPD. However, the role of these disorders in early readmission …

AimsLay opinions and published papers alike suggest mood varies with the seasons,
commonly framed as higher rates of depression mood in winter. Memory and confirmation …

In 2008, we published epidemiological data from 1972 to 2005 that suggested an increase
in insomnia‐related symptoms among the working‐age population. The results were based …

Background: To date, the factors associated with the presence of depression or depressive
symptoms in the Peruvian population have not been described. This study aimed to …

Purpose There is a need for recent, nationally representative data on the prevalence of
mental disorders in Latin America. We aim to assess the prevalence of depression in Chile …

Background The longitudinal association of depression and pain according to gender was
investigated using a population-based sample from 13 European countries. Methods The …

Background Research in high-income countries has identified low socioeconomic status as
a risk factor for disability pension (DP) due to common mental disorders (CMDs) …