Seasonal Affective Disorder (... : Complications

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Complications could include:
Seasonal affective disorder can sometimes progress to a major depressive syndrome.
Source:ADAM
Date:November 15, 2006
Seasonal affective disorder, often abbreviated as SAD, is a type of mood disorder that follows an annual pattern consistent with the seasons. The most common course for SAD includes an onset of depressive symptoms late in the fall, continuation of...
Source:Gale Encyclopedia of Mental Disorders
Seasonal affective disorder (SAD) is a form of depression most often associated with the lack of daylight in extreme northern and southern latitudes from the late fall to the early spring.
Source:Gale Encyclopedia of Medicine
Major depression is when five or more symptoms of depression are present for at least 2 weeks. These symptoms include feeling sad, hopeless, worthless, or pessimistic. In addition, people with major depression often have behavior changes, such as new eating and sleeping patterns. Major depression increases a person's risk of suicide.
Source:ADAM
Date:May 29, 2007
Major depressive disorder (MDD) is a condition characterized by a long-lasting depressed mood or marked loss of interest or pleasure (anhedonia) in all or nearly all activities. Children and adolescents with MDD may be irritable instead of sad.
Source:Gale Encyclopedia of Mental Disorders
Depression, also known as depressive disorders or unipolar depression, is a mental illness characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable. Disturbance in sleep, appetite, and mental processes are a common accompaniment.
Source:Gale Encyclopedia of Alternative Medicine
When discussing depression as a symptom, a feeling of hopelessness is the most often described sensation. Depression is a common psychiatric disorder in the modern world and a growing cause of concern for health agencies worldwide due to the high social and economic costs involved.
Source:Gale Encyclopedia of Neurological Disorders
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