What is diarrhea: What causes diarrhea?

What is diarrhea?
Diarrhea is a condition describing loose, watery, bowel movements.  Worldwide, diarrhea causes around a million deaths a year.  It is common; most people suffer from diarrhea at least twice a year.  Symptoms can last for several days.  Doctors treat mild diarrhea with over the counter medications, but for those who have diarrhea more frequently, diarrhea is likely a symptom of a larger medical problem such as irritable bowel syndrome or Crohn’s disease. [Read more...]