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A member asked:
Why is phototherapy an effective treatment for seasonal affective disorder (sad)?
6 doctors weighed in across 2 answers
The cause: The cause of seasonal affective disorder is thought to be a reaction to the reduced light in the winter. Hence the treatment with light therapy.
Answered 9/28/2016
6.4k views
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DIURNAL: Humans are diurnal mammals ao we are activated by light and a light box will trick the brain into thinking that it is a spring or summer day if you use the proper light box at 10, 000 lux.
Answered 12/10/2013
5.5k views
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I live in Portland Oregon and we've only had 7 sunny days since October. I feel much better when the sun is out, but the consistent overcast and rain can get me down. I think I might have a little Seasonal Affective Disorder. Do light therapy boxes real
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