Poison ivy isn't poisonous -- it causes an allergic reaction that can take days to appear. Learn about poison ivy and how to avoid it in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/botany/poison-ivy.htm/printable

<p>Poison ivy isn't poisonous -- it causes an allergic reaction that can take days to appear. Learn about poison ivy and how to avoid it in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/botany/poison-ivy.htm/printable</p>

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Why Does Poison Ivy Cause a Rash?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/e665e3ca-068f-4bb5-9461-b23e002c1cf0/transcript

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