Take the Celiac Disease Quiz to learn the causes, symptoms, and treatments for the condition caused by an allergy to gluten, a digestive irritant found in many common foods. Read more: Celiac Disease (Celiac Sprue) Quiz: Test Your Digestive Disease IQ.
Natural disasters fall into three broad groups: 1. Those caused by movements of the Earth. These occur with the minimum amount of warning and include earthquakes, volcanic eruptions and tsunamis. They are difficult to predict and impossible to stop.
U.N. Study: Natural Disasters Caused 600,000 Deaths Over 20 Years. Natural disasters have killed more than 600,000 people and left behind trillions of dollars in damages in the last two decades, the United Nations said Monday.