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What causes these severe seasonal mood changes? There are several possible explanations available for Seasonal Affective Disorder. The first relies on the more social and ... This is another interesting example of the brain regulation chemical release and controlling behavior through inhibition rather than activation.
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serendip.brynmawr.edu/bb/neuro/neuro98/202s98-paper3/Jo...
serendip.brynmawr.edu/bb/neuro/neuro98/202s98-paper3/Johnson3.html
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What causes seasonal affective disorder? ... They work partly by increasing the level of the brain chemical called serotonin which may be low in people with SAD. For more details see separate leaflets called 'Depression' and 'Antidepressants - SSRIs'
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www.patient.co.uk/health/Seasonal-Affective-Disorder.ht...
www.patient.co.uk/health/Seasonal-Affective-Disorder.htm
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Causes and Risk Factors of Seasonal Affective Disorder ... Serotonin. Production of this chemical wanes in the winter. Deficiency is known to cause depression, as well as a craving for carbohydrates, another symptom of SAD. Studies show that light therapy increases blood levels of serotonin.
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www.healthscout.com/ency/1/228/main.html
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The cause of seasonal affective disorder is not completely known. However, genetics, age and the body’s chemical makeup may all play a role in the condition. ... What are the causes and symptoms of Seasonal Affective Disorder?
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www.blogher.com/seasonal-affective-disorder-are-you-fee...
www.blogher.com/seasonal-affective-disorder-are-you-feeling-sad
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Information about seasonal affective disorder SAD ... Light therapy or photo therapy has been recommended for seasonal affective disorder. This is based on the assumption that decreased exposure to full spectrum light may be responsible for chemical changes that trigger depression in some people.
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www.psychologyinfo.com/depression/sad.htm
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Seasonal affective disorder, also known as SAD, is a certain kind of depression that happens to individuals the same time each year. Most notably, SAD ... The cause of seasonal affective disorder is not completely known. However, genetics, age and the body’s chemical makeup may all play a role in the condition.
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helpingpsychology.com/winter-blues-seasonal-effective-d...
helpingpsychology.com/winter-blues-seasonal-effective-disorder
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The basic biologic causes of depression are strongly linked to abnormalities in the delivery of certain key neurotransmitters (chemical messengers in the brain). These neurotransmitters regulate mood and associated behaviors. ... Health > Times Health Guide > s > Seasonal Affective Disorder > In-Depth Report: Causes...
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health.nytimes.com/health/guides/disease/seasonal-affec...
health.nytimes.com/health/guides/disease/seasonal-affective-disorder/causes.html
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Those who suffer most are the 36 million Americans thought to have Seasonal Affective Disorder (SAD) or a milder form of SAD known as "winter blues." But millions more of us dread winter and dream of throwing open our shutters to an enchanted April. ... Some Chemical Causes of Depression ; There are many...
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www.hbci.com/~wenonah/new/sadlight.htm
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Causes and Symptoms of Seasonal Affective Disorder ... taking a melatonin supplement can help offset the seasonal shift in the levels of this chemical. Serotonin levels can fall in response to a lack of sunlight, and as serotonin plays a role in moods as well, a lower level of this chemical can cause depression.
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neurologicalillness.suite101.com/article.cfm/seasonal_a...
neurologicalillness.suite101.com/article.cfm/seasonal_affective_disorder
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