The overkill of advertisements makes the "heartbreak of psoriasis" sound like something of a joke. But psoriasis is no laughing matter to those who are afflicted by it. The disease, which may result from a genetic defect, causes red, scaly eruptions—mainly on the scalp, elbows, knees, back and buttocks —and untold misery to its victims. In the U.S. alone, some 5 to 8 million psoriasis sufferers spend an estimated $1 billion a year in their search for relief.
Patent medicines generally are not adequate. Patients whose scaling clears up after long, messy and expensive hospital treatments may find that the disease comes...