Poison ivy belongs to the same plant family, Anacardiaceae, as mangos and cashews. All three of these plants produce urushiol, the compound that causes the itchy rash. People who chew the mango flesh ...

The dangers of touching or eating a poisonous plant range from mild irritation all the way to death. In the U.S. the hazardous plant you're most likely to come into contact with is poison ivy—or its ...