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SAD lamps, or light boxes—which, to be effective, should emit 10,000 lux, ... “Because there's so much evidence that bright light is so effective for seasonal affective disorder, there is the ...
Bright light therapy may be effective at treating Seasonal Affective Disorder (SAD), a type of depression that typically occurs during the fall and winter months when there is less natural ...
What distinguishes seasonal affective disorder from the so-called winter blues — and what to do about it. ... Myth #4: Light therapy is a quick fix for SAD. A light box mimics outdoor light, ...
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.
[41] [42] Although light therapy is the leading treatment for seasonal affective disorder, prolonged direct sunlight or artificial lights that don't block the ultraviolet range should be avoided, due to the threat of skin cancer. [43] The evidence base for light therapy as a preventive treatment for seasonal affective disorder is limited. [44]
Norman E. Rosenthal is an American author, psychiatrist and scientist who first described seasonal affective disorder (SAD), and developed light therapy as a treatment. Rosenthal was born and educated in South Africa but moved to the United States to complete his medical training.
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