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seasonal affective disorder

Seasonal Affective Disorder Treatment Natural

Symptoms of seasonal affective disorder include typical (low mood and energy) and atypical (increased appetite and sleep) depressive features occurring together in a seasonal pattern. Estimates of prevalence of the disorder in the UK average about 2.5% of the population. A mechanism for the seasonal variation in mood may involve effects of light levels on […]

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Cause of Seasonal Affective Disorder

What Cause Seasonal Effective Disorder? Explanations of SAD are almost uniquely biological. Genetic factors There is now increasing evidence of genetic processes in the aetiology of SAD. In one population study, Madden et al. examined the prevalence of SAD in MZ and DZ twins, concluding that about 29 per cent of the variance in the […]

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Seasonal affective disorder symptoms (Sad Symptoms)

Seasonal affective disorder (SAD) was recognized as a distinct disorder by Rosenthal and colleagues only in the mid-1980s . DSM-IV-TR considers it to have the following symptoms and characteristics: a regular temporal relationship between the onset of an episode of depression and a particular time of year full remissions occur at regular times of the […]

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