Currently, there is no specific diagnostic test for irritable bowel syndrome (IBS), but researchers now claim they have discovered a combination of 16 different substances in the breath that can accurately identify individuals with IBS when measured together. Senior author Dr. Frederik-Jan van Schooten notes, “Now we know which chemicals in breath have diagnostic information that we can use to develop noninvasive tools to follow the disease and to steer therapeutic interventions.” Alimentary Pharmacology and Therapeutics, May 2016