The concept of Seasonal Affective Disorder (SAD) is not universally accepted. But it was pointed out by its supporters that in late autumn the reduced sunlight triggers a change in the brain and this causes depression. Some researchers believe that the winter light signals to the brain to reduce the concentration of serotonin in the hypothalamus.
Some people are more sensitive to this change as compared to others. They experience a distinctive type of depression and malaise during the short days of winter that is cyclical. During the particular phase they tend to eat more, sleep more, become lethargic and lose interest in sex and recreation; withdraw from friends and family, become irritable and have trouble getting up in the morning.
Causes Of Seasonal Affective Disorder (SAD)
Lack of sunlight is the root cause of SAD. Changes in the length of the solar day, affects humans emotionally and physiologically. The hormone melatonin gets affected by bright light and influences our physical and emotional well being, and sets sleep pattern. And insufficient daylight upsets the rhythms of our biological clocks.
It also suggested that high secretions of melatonin can cause Seasonal Affective Disorder. Melatonin is a neurotransmitter produced by the pineal gland and it is considered to help in the synchronization of light changes throughout day and night to the body rhythm.
Seasonal Affective Disorder is inherited to some extent. In families with psychological problem there is a natural tendency for developing SAD. Close relatives of people with SAD also exhibit mood disorders, SAD and alcohol abuse.
Seasonal Affective Disorder Symptoms
- Social withdrawal, tendency to eat more sweets and starches, sleeping more and decrease in energy level.
- During winter season there is depression and spring and summer periods are non-depressive.
Home Cures For Seasonal Affective Disorder
- Have a bright home by painting bright colors, keep the curtains open and trim bushes around the window.
- Get up early to maximize your daylight time. Get sufficient sunlight to keep your biological clocks in rhythm.
- Exercise outdoors and case of indoors, exercise near a window.
- In office, try to sit near a window.
- Go for a brief vacation to a sunny destination.
- Be very cautious if you are going for a light therapy, because inappropriate methods and products can cause serious damage to your eyes.
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