Unorthodox 'immune modulation therapy' holds promise for patients with heart failure It sounds like the brainchild of a mad scientist: Draw blood from the arm, heat it up, pump it with oxygen and bombard it with ultraviolet light and then re-inject it into the patient's butt. But as strangely unorthodox as it may seem, the process -- called immune modulation therapy -- may well be a legitimate and effective means of treating heart failure. Even cardiologists, a traditionally conservative group, are excited. "I remember thinking, when I first heard about this: 'This is very weird,' " said Debra Isaac, an...