In 1982, the National Institute of Health finally recognized and officially stated that SAD (seasonal affective disorder) is a legitimate medical disorder. It is also know as winter blues and about 40 million people in the United States suffer from it.
The disorder is linked to an imbalanced and reduced production of the neurotransmitter serotonin in the brain. The production is linked to the amount of sun we receive. Also, there is an increased production of melatonin in the brain.
The most effective treatment for SAD is to use light therapy. Full spectrum lighting to treat SAD is actually the most effective light therapy. Read all about waht SAD is and the most common treatments
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