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Bright light treats winter mood disorder SAD
Val Farmer of MeritCare Fargo, ND explains seasonal affective disorder SAD and its link to reduced winter sunlight. Light therapy using 5000 to 10000 lux under bright artificial light for about 30 minutes daily can improve 60 to 80 percent of cases, with two to three weeks needed for full effect and mild side effects like eyestrain.
MENTIONED IN THIS ARTICLE
Alaska
Canada
Plains
USA
Florida
Val Farmer
MeritCare
Fargo
N.D