Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD) is a type of depression characterized by a pattern of episodes tied to changes of season. Research indicates that SAD is caused by variation in the length of daylight, which affects levels of the neurotransmitter, Serotonin, in the brain. Following are articles detailing this disorder.

• Winter Moods - from Kimberly Read, One of Your Guides to Bipolar Disorder
• Seasonal Affective Disorder - from Phylameana lila Desy, Your Guide to Healing
• 5 Things You Should Know About SAD Research - from Nancy Schimelpfening, Your Guide to Depression
• Additional Resources