Nothing ruins a walk in the woods quite as fast as poison ivy, a plant that causes an allergic reaction in up to 75 percent of people who come into contact with it. Poison ivy contains an oil ...

Poison ivy, poison oak, and poison sumac are three ... These plants contain urushiol, a potent oil that causes allergic reactions in about 85% of people who come into contact with it.

Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research ...

Check out a special flip-book issue in this preview of Poison Ivy #30, where both Ivy and Janet find themselves lost in strange realms. Can they find their way back to each other?

New research published in the journal Science uncovers how scratching aggravates inflammation and swelling in a mouse model ...

Numerous people tend to develop an itchy rash after coming into contact with poison ivy, which is a plant that contains an oil called urushiol. This oil resides in the leaves, stems, and roots of ...

Scratching an itch can bring a contradictory wave of pleasure and misery. A mouse study on scratching, reported in the Jan. 31 Science, fleshes out this ...

Scratching an itchy rash really does make it worse. Now we know why, thanks to new research published today in the journal ...