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Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [ 1 ] [ 2 ] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the winter ...
Winter's reduced sunlight is also linked to the onset of Seasonal Affective Disorder, a condition that affects almost 10% of Americans each year (although that number spikes to as high as 20% in ...
The Seasonal Pattern Assessment Questionnaire, or SPAQ, is a simple, self-administered screening test for Seasonal Affective Disorder, first developed in 1984. Though some aspects of its accuracy have been questioned since then, it is widely used today, especially by SAD researchers.
Seasonal affective disorder is a type of depression that occurs in late fall and winter that has to do with the lack of sunlight. ... wife of longtime former CBS News anchor Dan Rather, dies at 89.
What distinguishes seasonal affective disorder from the so-called winter blues — and what to do about it. (Getty Creative) (Kosamtu via Getty Images) December is Seasonal Depression Awareness ...
A mood disorder, also known as an affective disorder, is any of a group of conditions of mental and behavioral disorder [2] where the main underlying characteristic is a disturbance in the person's mood. [3] The classification is in the Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD).
Dr. Norman Rosenthal, a light-therapy pioneer from South Africa, shares his insights on the disorder that he discovered in the 1980s. 3 questions about seasonal affective disorder — SAD — for ...
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