While light therapy has been shown to be highly effective in treating a type of depression called Seasonal Affective Disorder (SAD) it only helps about half of the people in subsequent winters. What can give long lasting relief? Cognitive-behavioral therapy (CBT) tailored for seasonal affective disorder. Why? Simply put, light therapy works only as long as you are using it. But CBT teaches skills that are useful forever.
[READ WASHINGTON POST] This winter depression treatment lasts longer than sitting under a bright light.
[READ THE ATLANTIC]Therapy Over Lamps for Seasonal Depression: Cognitive behavioral therapy gives longer-term benefits and is less of a time burden than sitting under a light for 30 minutes a day.
[READ MEDICAL NEWS TODAY] Beating the winter blues with cognitive behavioral therapy.
[READ THE RESEARCH ARTICLE] If you are interested, here is the American Journal of Psychiatry article that discuss these very important research findings