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 ...

SHREVEPORT, La. - For many homeowners, battling unwanted plants in the yard is just part of the routine. But one invasive vine can do more than take over flowerbeds — it can cause painful rashes and ...

If you were a Girl Scout or a Boy Scout, you probably heard the adage "leaves of three, let them be" to deter you from getting poison ivy rash. And, while it is true that a poison ivy leaf contains ...

Enjoying the outdoors carries the danger of running into nature’s less-friendly side: toxic plants and animals. As toxicologists at the University of Virginia’s Blue Ridge Poison Center, we see many ...