Contact with Arizona poison ivy can result in skin irritation and intensely annoying rashes. Here's everything you need to know about toxic and poisonous plants in Arizona, including symptoms of ...

If you have a red rash on your hands, arms, or legs that's accompanied by intense itching, you may have had a brush with poison ivy. Here’s what to do if you think you’ve been exposed to the ...

PHOENIX — The Arizona Science Center is showing the relationship between poison and nature at its newest exhibition, ‘The ...

An outdoor experiment mimicking the carbon dioxide rise predicted for this century found that poison ivy vines grew more ... Bruce Hungate of Northern Arizona University in Flagstaff.