MedlinePlus Medical Encyclopedia: Toxins

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Toxins

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Illustrations	Definition

Illustrations

Bacteria

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Toxins are substances created by plants and animals that are poisonous to humans. Most toxins that cause problems in humans are released by microorganisms such as bacteria and viruses.

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Update Date: 7/18/2007

Updated by: Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network.

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