Mini Quiz: Light Therapy for Winter Blues

Author(s):

Dan A. Oren, MD

When is the most favorable time for light therapy for seasonal affective disorder? Take the quiz to learn more.

In deciding on the most favorable time for light therapy for seasonal affective disorder (SAD), which of the following should be taken into consideration?

B. Circadian rhythm

C. Exact time of sunrise and sunset

D. None of the above

A. Ophthalmic serotonin function