Foodborne illness (also foodborne disease and colloquially referred to as food poisoning) is any illness resulting from the spoilage of contaminated food, pathogenic bacteria, viruses, or parasites that contaminate food, as well as prions (the agents of "mad cow disease", and toxins such as aflatoxins in peanuts, poisonous mushrooms, and various species of beans that have not been boiled for at least 10 minutes.
Symptoms vary depending on the cause, and are described below in this article. [Source: Wikipedia 
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