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 ...

Study reveals how immune cells in the gut distinguish between food and harmful pathogens, shedding light on the origins of both food allergies and intestinal diseases. With every bite of food we take, ...

Allergies occur when your immune system overreacts to harmless substances, like pollen or pet dander. Allergies to substances like pollen commonly cause sneezing, a runny nose, and itchy eyes. Chronic ...

Ward off coughs and sniffles with these practical tips to keep allergies at bay ...

It is possible to develop new allergies as an adult. This can include food allergies and seasonal allergies, such as a pollen allergy. Allergies are often present from childhood, but new allergies can ...