A test that Johns Hopkins gastroenterologist Pankaj Jay Pasricha and colleagues say is fickle is used to categorize patients with debilitating nausea and gastric pain as either organic or functional. Their recent research suggests that performing the gastric emptying test may not be the most reliable way to do so.

Director of the Division of Gastroenterology and Hepatology Anne Marie Lennon and colleagues build on groundbreaking research that led to a blood test for multiple common cancers.

Gastroenterologist Olaya Brewer Gutierrez and colleagues use the direct measurement to provide more reliable answers to questions about dangerous portal hypertension.