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With seasonal pattern is a specifier for bipolar and related disorders, including bipolar I disorder and bipolar II disorder. [5] Most people with SAD experience major depressive disorder, but as many as 20% may have a bipolar disorder. It is important to distinguish between diagnoses because there are important treatment differences. [16]
The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. [1] [2] The DSM is the authoritative reference work in diagnosing mental disorders in the world. The ...
People affected by SAD have low levels of energy and have difficulty concentrating. They usually have a change in appetite and experience trouble sleeping. [23] A 2007 systematic review by the Swedish agency SBU found insufficient evidence that light therapy was able to alleviate symptoms of depression or seasonal affective disorder. [24]
Dr. Norman Rosenthal, the psychiatrist who in the 1980s first discovered and named seasonal affective disorder—in which shorter, darker days of winter profoundly affect the mood of about 5% of ...
"Light therapy could help roughly 50 percent of people who have SAD." Around 10 to 20 percent of Americans have a mild type of seasonal affective disorder (SAD), a form of depression that begins ...
Light therapy is the go-to treatment for seasonal affective disorder. It involves exposing yourself to a light box with at least 10,000 lux for at least 30 minutes.
Studies have shown effective doses ranging between 3,000 lux, 2 hours a day, for 5 weeks [14] to 10,000 lux, 30 minutes a day, for 8 weeks. [5] As effective doses of light therapy vary depending on the individual, occupational therapists are often responsible for ascertaining the most effective levels of light therapy for an individual patient.
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