Introduction Bipolar disorder (BD) is a severe mental disorder affecting 1–4% of the
population worldwide. It is characterized by periods of (hypo) manic and depressive …

Seasonality is one of the oldest and most resistant-to-elucidation issues in suicide research.
However, in recent years epidemiological research has yielded new results, which provide …

Background Self-report data on mental distress indicate a deterioration of population mental
health in many countries during the COVID-19 pandemic. A Norwegian epidemiological …

BACKGROUND: Seasonal spring peaks of suicide are highly replicated, but their origin is
poorly understood. As the peak of suicide in spring could be a consequence of …

It is a common and well-spread belief that people feel more depressed when the weather is
bad. However, whether meteorological factors such as temperature, sunshine and rainfall …

Background Aside from the concept of seasonal affective disorder, the evidence for a
seasonal pattern (SP) of major depressive disorder (MDD) is controversial. Furthermore, the …

OBJECTIVE: Although seasonal influences on bipolar disorder admissions have long been
observed, the issues of seasonality on different subtypes of mood episodes and the effects …

Coercion in psychiatry is associated mainly with involuntary admissions. The purpose of this
study was to investigate the associations between hospital admissions of patients suffering …

Bipolar disorder (BD) has a multifactorial etiology with heterogeneous clinical presentations.
Around 25% of BD patients may present with a depressive seasonal pattern (SP). However …

The purpose of this study was to assess any associations between the number of
hospitalizations for affective disorders, seasons of the year and the intensity of sunlight in …