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

Your immune system protects you, but sometimes it overreacts. Learn how to recognize the signs and regain balance.

When your immune system reacts to something that doesn’t always bother other people, you’re experiencing an allergic reaction. Some of the biggest culprits for causing allergic reactions are ...

The immune system encounters common food allergens ... Broken tolerance to food triggers an allergic reaction with symptoms ranging from mild hives and itching to a severe, life-threatening ...

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

Because the body is constantly fighting with the ink, tattoos may actually impact your larger immune system ... ingredients that can trigger an allergic reaction or prove harmful to one's ...

A study by Oregon Health & Science University researchers has uncovered a new way proteins can be changed inside cells. This ...

“Whereas hay fever is an allergic reaction to airborne allergens like pollen ... “A cold usually lasts a week or two, as your ...