Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD)
In 1979, Dr. Norman Rosenthal moved from his home in South Africa to New York. Over a short period of time he found that the short days, compared with those in South Africa, were affecting his energy levels, and that these feelings would usually persist until spring. In 1984 at the National Institute for Mental Health, this one doctor's brush with seasonally induced depression began the study of what is commonly called winter blues, or more clinically, Seasonal Affective Disorder (SAD).
What is it and who gets it?
Affecting approximately 5% of the US po…