Psoriasis patients can get clearer skin with at-home treatment instead of at doctors’ offices, study suggests

For decades, people with psoriasis have been treated in clinics with narrowband ultraviolet B phototherapy, or light therapy, to reduce sores, scales, and inflammation. Now, new research from the Perelman School of Medicine at the University of Pennsylvania shows that patients can improve their psoriasis just as well at home with phototherapy devices designed to make treatment easy to self-administer…