A recent study, led by Dr. Stefan Pasiakos from the Military Nutrition Division at the United States Army Research Institute of Environmental Medicine in Natick (Massachusetts, USA), has found that changes in gut microbiota composition and metabolic activity are related to intestinal permeability in adults undergoing military training, an environment of physiologic stress.

This fall, a new diversion emerged for a certain scientific set—those for whom Prevotella melaninogenica rolls easily off the tongue. Appearing as the after-hours entertainment at Lake Arrowhead Microbial Genomics 2016, and other conferences focused on bacteria, is Gut Check,