Poison Ivy

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How Poison Ivy Works | HowStuffWorks

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According to the American Skin Association, as many as 50 million Americans have allergic reactions to the poison ivy plant each year. The plant is often very ...

No Ill Nature: The Surprising History and Science of Poison Ivy and...

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Do you think of poison ivy as a scurrilous weed to be avoided at all costs? Think again! There was a time when the daring and curious found promise in poison...

www.sciencedaily.com

Poison ivy is a woody vine that is well-known for its ability to produce urushiol, a skin irritant which for most people will cause an agonizing, itching rash.