HOW SMART PEOPLE SEARCH The best writings on todays topics   Navagation: Health Directory > Seasonal Affective Disorder Seasonal Affective Disorder Seasonal Affective Disorder: Seasonal Affective Disorder, otherwise known as SAD is a mood disorder associated with depression episodes and related to seasonal variations of light. Most people with a Seasonal Affective Disorder sufferers experience normal mental health throughout most of the year, but experience depressive symptoms in the winter. SAD is rare, if not nonexistent, in the tropics, but is measurably present at latitudes of 30°N (or S) and higher. Related Topics Featured Accounting Listings Feature Your Site Here!   HOME • About • Disclaimer • Contact • FAQ