A 2016 review, led by Dr. Mark S. Riddle from the Enteric Diseases Department at the Naval Research Center in Silver Spring (USA) and Dr. Bradley A. Connor from the Department of Medicine at Weill Cornell Medical College and The New York Center for Travel and Tropical Medicine in New York (USA) explores the role of the human gut microbiome in travellers’ health.

Neurodegenerative diseases such as Parkinson’s could have a direct relationship with the intestine and, therefore, with our gut microbiota as well, says neurologist and leading researcher in the field, Filip Scheperjans.