Hydrogen breath tests can help clinicians determine if a patient has conditions that can affect their digestive health, and they’re especially important for the diagnosis of carbohydrate maldigestion and small intestinal bacterial overgrowth. That’s why Dr. Peter Buch takes an in-depth look at breath testing with Dr. Mark Pimentel, Professor of Medicine at the David Geffen School of Medicine at UCLA and Associate Professor at Cedars-Sinai Medical Center.