An estimated one in five Americans suffers from some type of allergy. Pollen, mold, dust, certain foods and animals cause misery for millions. For some unfortunate few, peanuts or bee stings can be the kiss of death. ideastream helps to explain what happens when the body's immune system goes awry; why allergies are on the rise; and what you need to know about one of our nation's most chronic health problems.
Attacking Allergies
