What Is a Peanut Allergy? You have a peanut allergy when your body’s immune system overreacts to peanuts. Normally, your immune system helps protect you from germs and other harmful substances. But if ...

There are many types of allergies, including seasonal, food, drug, pet, mold, insect, and latex allergies. An allergy is an overactive immune response to a substance called an allergen that is usually ...

The distinctive whistling sound that accompanies some allergic reactions represents more than a minor inconvenience for millions of Americans. This sound, known as allergic wheezing, serves as an ...

But their options are expanding like never before as a wave of new research and therapies are “moving beyond a ‘one-size-fits-all’ approach,” says DeVon Preston, an allergist at Cleveland ...