Poison Ivy is a plant/vine that grows in North America. Simply
touching this plant will give many people an allergic reaction which shows up as
a rash. In some cases, this rash can be quite severe, affecting the whole body,
even though the plant may not have touched more than just a person's hand or
other small part.
However, some sources state that only about 50% of the
population is sensitive to this plant. It should be noted that someone who has
not been sensitive to it for years may suddenly develop a sensitivity to it, and