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 ...

Poison ivy often grows in cities and suburbs, not just forests. It appears in every U.S. state except Alaska and Hawaii. If you are not sure whether a plant is poison ivy, stay away anyway to keep ...

Poison ivy is a toxic plant that’s common in most of the continental United States. When it touches your skin, it can cause a rash known as contact dermatitis. This rash may develop into increased ...