Poison ivy might be a small plant, but it can cause big trouble—for both your yard and your skin. Its oily sap, called urushiol, is what triggers that itchy rash, and even a tiny amount can cause 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This is an archived article and the information in the article may be outdated.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. COLUMBUS, Ohio (WCMH) — Did you know? Oils ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Among common lawn weeds, poison ivy is like a supervillain. Whether it's growing as a vine up your ...

It might be tempting to remove poison ivy in the winter when the plant is relatively dormant, but there are several reasons ...

You'd think that someone who is a science correspondent and is as allergic to poison ivy as I am would have heard of urushiol, but no. I didn't recognize the word when I saw it a week or so ago. Now, ...

Poison ivy is the bane of many summer gardeners, but just because the leaves are gone doesn't mean it's harmless in winter.

BLACKSBURG, Virginia, June 12, 2014 (ENS) – The poison ivy itch of summer could become a thing of the past for the millions of people who are allergic to the plant if the findings by Virginia Tech ...

Researchers have developed a clever new method to detect the chemical that causes the annoying itch. But urushiol isn't all bad. It's also behind... Spray Lights Up The Chemical That Causes Poison Ivy ...