Add Yahoo as a preferred source to see more of our stories on Google. palau83/Getty Images A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped ...

Add Yahoo as a preferred source to see more of our stories on Google. The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That’s ...

Non-Hodgkin lymphoma (NHL) is a group of hematologic malignancies that originate from lymphocytes known as B or T cells. This ...

Allergies occur when your immune system overreacts to allergens like pet dander, pollen, mold, certain foods, or medications. Allergy symptoms may include a runny nose, congestion, coughing, wheezing, ...

If you’ve ever experienced swollen lymph nodes, you know how uncomfortable (and temporarily concerning) their presence can be. After all, when lymph nodes—small, bean-shaped glands throughout your ...

Mediastinal lymphadenopathy is the medical term for swollen lymph nodes in the chest. They are too deep to feel, so imaging scans usually reveal them. Swollen chest lymph nodes can signal lung cancer, ...