Showing items from allergies asthma-info

What happens to the body during an allergic reaction? What do parasites have to do with allergies? Discover how the immune system responds to …

Are you or a loved one at risk of sudden death from anaphylactic shock? Read how to recognize this sudden and often lethal reaction of the immune …

Allergies develop when the body’s immune system reacts inappropriately to substances that are usually considered harmless. Why do some people …