Light Therapy
Click on the links below to learn more about light therapy approaches used to treat depression.
Now that you have learned about light therapy, move on to the next section to read a summary of the material presented in this unit.
Approximately 10% of all patients suffer from seasonal variation in mood, known as "Seasonal Affective Disorder" or SAD. Since the early 1980s, sufferers of SAD have been treated by artificially extending their sunlight hours in the winter using high intensity light boxes.
