Seasonal affective disorder (SAD), a type of depression, is a debilitating problem that interferes with the quality of life of thousands of patients, especially during the fall, winter and early spring. This syndrome seems to be a worldwide phenomenon and occurs cross culturally, especially in countries far from the equator.
seasonal affective disorder sad a type of depression is a debilitating problem that interferes with the quality of life of thousands of patients especially during the fall winter and early spring this syndrome seems to be a worldwide phenomenon and occurs cross culturally especially in countries far from the equator