Other
Sada: Symptoms of Sad
This site describes the symptoms of SAD, when they usually begin and end, and the typical onset of SAD.
Other
Sada: Sad Association
This is the largest surviving support organization to help support and advise sufferers of SAD.
Khan Academy
Khan Academy: Dietary Restriction and Sorority Dynamics
This is a five-question quiz pertaining to the passage "Dietary Restriction and Sorority Dynamics."
Bryn Mawr College
Serendip: Obsessive Compulsive Behavior and the Types of Treatments
This college-level student study describes obsessive-compulsive behaviors, its causes, and treatment.
Other
Pale Reflections: Anorexia Nervosa
A straight forward description of Anorexia Nervosa, including signs and symptoms, long term health problems, and why it's so hard to stop. Links to other information are included.