You don't exactly have to have spent a lifetime in nature to know the old adage: Leaves of three, let it be. But that doesn't keep some people from a rash encounter with poison ivy, poison oak or ...

(NEXSTAR) – You may have managed to dodge the dreaded rashes often associated with poison ivy, poison oak or poison sumac, but that doesn’t necessarily mean you’re not allergic. While it’s true that a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. You may have managed to dodge the dreaded ...