Discover how allergies can cause swollen lymph nodes, and learn to distinguish between normal immune responses and warning ...

Medically reviewed by Daniel More, MD Allergies occur when your immune system overreacts to allergens like pet dander, pollen ...

Food allergies are a lot more than just avoiding certain dishes, they require a relentless attention to detail and of course, ...

Most of the time, the intestinal immune system can recognize friend from foe, tolerating myriad foods while destroying ...

Researchers found that a small population of immune cells in the mouse intestine prevents allergic responses to food, suggesting that targeting such cells therapeutically could potentially lead to a ...

Alpha-gal syndrome (AGS) is a severe tick-vectored food allergy caused by sensitivity to the galactose-alpha-1,3-galactose (alpha-gal) carbohydrate. It is now estimated to affect as many as ...