Phototherapy is the original psoriasis treatment. For as long as people have had the disease, they've treated it with sunlight. Even today, with all the high-tech remedies available, light therapy continues to be one of the most effective treatments for psoriasis, an autoimmune disorder that causes skin cells to http://vitiligo-lamp76532.onesmablog.com/A-Guide-to-Using-Light-Therapy-for-Psoriasis-45227093