Seasonal allergies happen when your body's immune system overreacts to ordinarily harmless things in the environment, like pollen. This overreaction can cause symptoms such as sneezing, a runny nose, ...

Allergy sufferers may one day be able to erase the source of their congestion, itchy skin and swollen lips and throat thanks to two studies that have uncovered elusive immune cells that maintain ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Ah, spring. No matter where you live, it’s the season of renewal, sunshine, milder weather — and plenty of allergies. Those ...

Choosing the best nasal spray for seasonal allergies. The changing of seasons is often accompanied by undesirable side ...

Imagine a nurse, let’s call her Jill, who faces multiple scrub-ins everyday as part of her operating room role. She struggles with a rash on her hands and wrists that just won’t go away, causing both ...

Study finds association between skin allergies and four cancers. July 12, 2011— -- A new study suggests there could be a link between skin allergies and the risk of developing certain cancers. In ...

Those with seasonal allergies have likely experienced the itchy and watery eyes, runny nose, sneezing and scratchy throat, but there are some lesser-known symptoms you might also want to watch for.

Allergic conjunctivitis is not contagious, but other types of conjunctivitis, such as viral or bacterial, are. People can take steps to prevent transmission of the contagious types. These steps ...

Some types of allergies can cause voice loss or laryngitis. Laryngitis typically occurs due to overuse of the voice, acid reflux, colds, flu, or infection. Laryngitis is irritation or inflammation of ...