Allergies: From Bee Stings to Peanuts

As more and more people develop allergies, researchers are looking for ways to treat and prevent severe allergic reactions.

By Emily Sohn, 00:00 AM April 12, 2004

The bee sting hurt so much that I stopped my bike just to yelp. I checked the swelling on my thigh to make sure the stinger was gone. Then I kept on biking.

About 15 minutes later, my ears and armpits started to itch like crazy. A rash appeared on my arms. My lips and eyelids began to puff up. Pretty soon, I had to get off my bike because I was having trouble breathing. My chest felt constricted. My heart was racing. Itchy welts were popping up all over my body and inside my throat. My eyes...

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