Seasonal Depression (SAD) (cont.)
IN THIS ARTICLE
- Seasonal Depression Overview
- Seasonal Depression Causes
- Seasonal Depression Symptoms
- When to Seek Medical Care
- Exams and Tests
- Seasonal Depression Treatment
- Self-Care at Home
- Medical Treatment
- Medications
- Other Therapy
- Next Steps
- Follow-up
- Prevention
- Outlook
- Support Groups and Counseling
- For More Information
- Web Links
- Synonyms and Keywords
- Authors and Editors
Seasonal Depression Causes
The exact causes of seasonal affective disorder (SAD) are unknown.
- Chemical changes in the brain caused by changes in the amount of sunlight are probably involved. People who live in geographical locations that are dark or cloudy during the winter are most likely to have SAD.
- A tendency to have SAD may run in some families.
Next: Seasonal Depression Symptoms »
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