Seasonal Affective Disorder Immune System
Seasonal affective disorder (SAD) refers to episodes of depression that occur every year during fall or winter. Symptoms improve in spring and summer.
Alternative Names
Depression - winter; SAD
Causes, incidence, and risk factors
The disorder may begin in adolescence or early adulthood. Like other forms of depression, it occurs more often in women than in men.
Most people with the "winter blahs" or "cabin fever" do not have SAD. People who live in places with long winter nights are not...
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From Our Sources
Seasonal Affective Disorder
Source: HealthCentral Encyclopedia
In its most common form, SAD is a serious depression that recurs each year at the same time, starting in the fall or winter, and ending in the... Read more »
ADHD linked to seasonal affective disorder
New studies have found that seasonal affective disorder (SAD) may be linked to alcoholism and attention-deficit/hyperactivity disorder (ADHD).... Read more »
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