DEPRESSION
Alzheimer's disease is a brain disorder that affects a person's ability to carry out daily activities.
Seasonal affective disorder, or SAD, is a type of depression that occurs each year around the same time, usually during the fall and winter months.
In the United States, one in four Americans either suffered from a mood disorder in his or her lifetime or currently suffers from one.
Bipolar disorder, also commonly referred to as manic depression, is a diagnosis of brain dysfunction characterized by severe alterations in mood and energy with a diminished capacity for daily functioning.
Depression is prevalent, and the highest incidence for onset in women is during the childbearing years.