Last week a startling headline appeared in my Google news alert: "Probiotics Have No Impact on Crohn's Disease Remission." The study, published this month in Clinical Gastroenterology and Hepatology, was a 52-week, randomized, double-blind, placebo-controlled trial conducted at 32 centers and looked at whether or not a specific yeast probiotic, saccharomyces boulardii, prevented relapse of Crohn's disease