Overview Seasonal Affective Disorder (SAD) is a type of depression that comes and goes with the seasons, typically starting in the late fall and early winter and going away during the spring and summer. Depressive episodes linked to the summer can occur, but are much less common than winter episodes of SAD. Signs and Symptoms…Read more »

PTSD is a disorder that some people develop after experiencing a shocking, scary, or dangerous event. It is natural to feel afraid during and after a traumatic situation. This fear triggers many split-second changes in the body to respond to danger and help a person avoid danger in the future. This “fight-or-flight” response is a…Read more »