Gastrointestinal

During extreme rain or rapid snowmelt, the high volume of water that enters sewer systems can cause untreated sewage to…

The meeting point of the stomach and esophagus, the so-called gastro-esophageal junction, is a region of the human body that…

Enlarge / An electron micrograph of norovirus. Officials in Alabama have shut down an elementary school for the rest of…