What causes the winter blues?
Studies have not determined the exact cause of Seasonal Affective Disorder (SAD). According to Dr. Norman Rosenthal, author of Winter Blues: Everything You Need to Know About Seasonal Affective Disorder, most cases are caused by a lack of sunlight during the winter months. Some studies suggest this causes a drop in serotonin, a brain chemical that regulates mood and hunger. Other studies say that our bodies produce more melatonin, a brain chemical that helps us sleep, when it is dark out. Either way, most agree that this winter phenomenon can affect us physically and mentally. Symptoms of the Winter Blues: • Difficulty waking up at your usual time. • Becoming more easily irritated and annoyed with family and co-workers. • Strong cravings for carbohydrate-rich foods, especially chocolate and sweets. • A feeling of apathy or disinterest in things you have always enjoyed. How common are the winter blues? According to Dr. Rosenthal, 1 in 5 Americans are affected each year. People who live
