Gastroenterology

Diarrhea is an increase in the looseness (usually runny or watery) and frequency of bowel movements per day. Diarrhea that lasts less than one week is considered to be acute diarrhea, while diarrhea lasting longer than four weeks is called chronic diarrhea. Most acute cases...

Crohn's disease is a form of inflammatory bowel disease (IBD). IBD is a condition that causes chronic inflammation of the intestines. IBD occurs in children as a result of genetic and environmental factors. For reasons that are not yet clearly understood, the child’s immune system...

For almost 100 years, doctors thought that mental stress and spicy foods caused most ulcers. However, we now know that peptic ulcers in children are caused by a particular bacterial infection in the stomach and upper intestine and by certain medications like nonsteroidal anti-inflammatory drugs (NSAIDs). A peptic ulcer is...

The digestive system consists of parts of the body working together to change the food we eat and liquids we drink into the fuel and building blocks our bodies need. Digestion (i.e., the process of breaking down food) may take several hours or a few...