Medically reviewed by Anju Goel, MD Key Takeaways Light box therapy can help treat circadian rhythm disorders and mood issues. The light in a light box should have an intensity of about 10,000 lux to ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

People who feel more fatigued, sad, irritable and hungry as the days darken from fall into winter may benefit from using a light box, also called a therapy lamp, according to health experts. Seasonal ...