If you're heading on an outdoor adventure, you should familiarize yourself with identifying poison ivy. These are the three ...

“While this specific mnemonic device exists to deter people from touching poison ivy, it turns out there are also many ...

Poison sumac is considered more allergenic than poison ivy and poison oak, which are other well-known plants in the Toxicodendron genus of the sumac family. Poison sumac releases an oil known as ...

Rising atmospheric carbon dioxide levels are causing poison ivy leaves to grow larger and produce more of the toxic oil. Produced by Jacqui Frank. Original reporting by Jessica Orwig. Follow BI ...

Poison ivy annoys with its notorious skin rash ... A common mistake that some make is to characterize plants as having human intentions, said Pruiksma. It’s common to hear people refer to ...

The poison ivy contains an oily resin or sap in all parts of the plant that can cause an allergic reaction in most people ...