It is a great time of the year to be outside watching the leaves turn color a little bit each day even though the fall color season is late this year compared to recent years. Collecting those leaves ...

Mason Heberling, associate curator of botany at the Carnegie Museum of Natural History, holds a poison ivy specimen collected in Lehigh County, Pa. in 1840, the oldest used in the study. A new study ...

Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

Add Yahoo as a preferred source to see more of our stories on Google. Poison ivy will turn crimson during the fall season. So, enjoy the vibrant display, but avoid the urge to touch. Some people are ...

If you're allergic to Toxicodendron radicans, more commonly known as poison ivy, you might view wintertime as a welcome reprieve from this plant's itchy rash. Unfortunately, that's not quite the case.

RICHMOND, Va. (WRIC) — Most of us have heard the old saying, likely from adults trying to protect us when we were young and inexperienced: “Leaves of three, let it be.” But is that truly an accurate ...

TYLER, Texas (KLTV) - As East Texans take to decluttering their yard from fallen leaves, poison ivy, even brown and dormant, poses a risk of irritation. Gregg County Health Authority Dr. Lewis Browne ...

Have you ever heard the time-tested “leaves of three, let it be” warning to avoid itchy and swollen poison ivy rashes? Research from Virginia Tech University found that it may not be the best line of ...