Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage. Your skin absorbs this allergen when you touch the plant. You may be able to reduce symptoms ...

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.

Researchers have discovered that cancer cells suppress 'poison exons' -- genetic elements that act as an off switch for protein production -- in a key gene called TRA2 , promoting tumor growth. By ...

LOLtron hopes you're ready for another thrilling comic preview, this time for Poison Ivy #31, hitting stores on Wednesday. THE SHADOW OVER MARSHVIEW! The strange and startling secrets of Marshview ...