Seasonal affective disorder

The seasonal affective disorder is a form of also well-known depression as TAE, seasonal depression or winter depression. The people with TAE undergo changes in the symptom and mood similar to the depression. The symptoms usually happen during the months of autumn and winter when there is less sunlight and they improve generally with the arrival of the spring. The most difficult months for the people with TAE in the United States lie down to being January and February. Although it is much less common, some people experience TAE in the summer.

TAE is more than only €œwinter sadness€. The symptoms can be distressing and overwhelming and can interfere with the daily operation. Nevertheless, it is possible to be tried. Around the 5 percent of the adults in the EE. UU. TAE and around the 40 percent of the year experiments generally hard. It is more common between the women who the men.

TAE has been related to a biochemical imbalance in the brain brought about by the shorter hours of light and less sunlight in winter. As they change the stations, the people undergo a change in their internal biological clock or its circadian rythm that can cause that they are outside syntony with his daily schedule. TAE is more common in people than they live far from the Equator, where there are less hours of light in the winter.

Symptoms and Diagnosis

The common symptoms of TAE include fatigue, even with too much dream and increase of weight associated with eating in excess and ills of carbohydrates. The TAE symptoms can vary of slight to serious and can include many symptoms similar to the greater depression, as:

  • Feeling of sadness or depressed mood.
  • Noticeable loss of interest or pleasure in activities once enjoyed.
  • Changes in the appetite; Generally eating more, longing for carbohydrates.
  • Change in the dream; generally sleeping too much
  • Energy loss or major tires in spite of the increase of the hours of dream
  • Increase of the anxious activity (P. ej., Kink of the hand or rate) or movements and speaks slower
  • To feel useless or guilty
  • Problems to concentrate themselves or to make decisions.
  • Thoughts of death or suicide or attempts of suicide.

TAE can begin to any age, but it begins generally when a person has between 18 and 30 years.


TAE can be effectively several ways, including the therapy of light, antidepressant drugs, therapy of conversation or some combination of these. Whereas the symptoms improve generally in case single with the change of station, the symptoms can improve more quickly with the treatment.

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