Podcast:BrainStuff Published On: Sun Dec 08 2024 Description: 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/printableSee omnystudio.com/listener for privacy information.