The term used to describe the acid conditions in the stomach that can kill certain bacteria (see BACTERIUM), thereby effectively producing a barrier to infection by preventing viable but susceptible pathogenic bacteria from gaining access to the lower...

Gastroesophageal Reflux Disease (GERD or GORD using the British oesophageal) is defined as chronic symptoms or mucosal damage produced by the abnormal reflux in the esophagus[1]. This is commonly due to transient or permanent changes in the barrier...