means an inflammation of the intestines. That could come from food, water-borne organisms, or something which is irritating the fine mucosal lining. The result is that a person would usually have diarrhea and cramps. Hand washing is crucial in preventing the spread of the offending "bug". Food poisoning is frequently a result of poorly stored or unrefrigerated food. In the elderly and in young children this can cause a lot of fluid loss, resulting in dehydration. Fluids must be offered frequently and in ways and of a type that the person will take it. The body normally heals itself after a few days. A physician or health care professional should see someone with prolonged symptoms. Adjusting meals into small servings and checking the tolerance is wise.