You might feel blue around the winter holidays, or get into a slump after the fun and festivities have ended. Some people have more serious mood changes year after year, lasting throughout the fall and winter when there’s less natural sunlight. What is it about the darkening days that can leave us down in the dumps? And what can we do about it?
NIH-funded researchers have been studying the “winter blues” and a more severe type of depression called seasonal affective disorder, or SAD, for more than 3 decades. Still, much remains unknown about these winter-related shifts in mood.