The disorder may begin during the teen years or in early adulthood. Like other forms of depression, it occurs more often in women than in men.
People who live in places with long winter nights are at greater risk for SAD. A less common form of the disorder involves depression during the summer months.
Other factors that may make SAD more likely include:
Amount of light Body temperature Genes Hormones
What causes Seasonal affective disorder?
The disorder may begin during the teen years or in early adulthood. Like other forms of depression, it occurs more often in women than in men.
People who live in places with long winter nights are at greater risk for {{ORGANIZATION}}. A less common form of the disorder involves depression during the summer months.
Other factors that may make SAD more likely include:
Amount of light Body temperature Genes Hormones