Every gardener should know how to get rid of poison ivy when it pops up around the yard. If the sap from this plant comes in contact with your skin, a chemical called urushiol in the sap can cause ...

Poison ivy has three leaves, and the middle leaf has a longer stem. Touching poison ivy causes an allergic reaction due to urushiol oil. Poison oak and poison sumac are related to poison ivy and also ...

Think you might have been exposed to poison ivy? Here's how to identify it, as well as how to treat it, according to health ...

About to dive into 'Growing Shadows: The Poison Ivy Fan Film' on any device? Tracking down where to stream, rent, buy, or watch where to stream or rent the -helmed movie can be more complicated than ...

I once thought I was among the 20% of humans who experience no ill effects from poison ivy. But a visit to southern Illinois years ago proved me wrong. Itchy skin with blisters plagued me for weeks.

Lewis Ziska, plant physiologist for the U.S. Department of Agriculture's agricultural research service, says rising carbon dioxide levels and... Poison Ivy Growing Faster, More Virulent ROBERT SIEGEL, ...