Few things in the outdoors can ruin a good time like poison ivy. The plant grows in a wide variety of habitats, and the rash-causing oil can linger on object for years.

This video will tell you how to avoid this problem, as explained by a scientist who has studied poison ivy for decades.

Urushiol oil in poison sumac, poison oak, and poison ivy may produce a severe skin rash. Timely urushiol removal can prevent poison ivy skin reaction. The key is to understand how poison ivy works.

Watch and learn!

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