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://uvb-vitiligo65420.post-blogs.com/29738137/a-guide-to-using-light-therapy-for-psoriasis