
Posted: Jan 10, 2013 5:00 AM by Diana Kohnle
(HealthDay News) -- Seasonal affective disorder (SAD) is characterized by a series of mood changes that appear year after year as the seasons change -- most often as the weather gets colder.
The American Academy of Family Physicians says symptoms of SAD often include:
Copyright © 2012 HealthDay. All rights reserved.
Copyright (c) 2012 HealthDay. All rights reserved.
