Airs Thursday, May 14, at 6 p.m. Are you considering whether or not to vaccinate your child, start a new diet, or perhaps take an over-the-counter supplement? This week on Health Matters, Dr. Sanford Katz will be joined by gastroenterologist Dr. Paul Jordan; Dr. Joseph Bocchini, Chair of Pediatrics at LSU Health Shreveport; and nutritionist Grey Rogers. They will discuss medical controversies and health fads.