Psychology & Psychiatry

No evidence of seasonal differences in depressive symptoms

A large-scale survey of U.S. adults provides no evidence that levels of depressive symptoms vary from season to season, according to new research published in Clinical Psychological Science, a journal of the Association for ...

Psychology & Psychiatry

'Tis the season for seasonal affective disorder

(HealthDay)—Seasonal affective disorder (SAD) is a type of depression that occurs in some people due to decreased amounts of daylight during the winter.

Health

Vitamin D deficiency, depression linked in international study

Vitamin D deficiency is not just harmful to physical health—it also might impact mental health, according to a team of researchers that has found a link between seasonal affective disorder, or SAD, and a lack of sunlight.

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