Depressive symptoms which happen during the shortened daylight period between November and February.
Is treatable with 30 minutes of light/light box therapy used in the morning. ( therapyhttps://northernlighttechnologies.com/product-category/nlt-products )
Of importance… if a person has depression throughout the year, but symptoms are worsened during November to February, then this is not seasonal affective disorder, but a common worsening of symptoms of his/her chronic depression.
Charles Tadros, M.D.
June 16, 2022
Saint Louis, Missouri