Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

Swollen lymph nodes in the armpit may indicate an infection, injury, or disease that requires medical attention. However, it’s usually not a sign of cancer. Lymph nodes are critical parts of the ...

The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That’s because infections often cause swollen lymph nodes (medically known as ...

COVID-19 is a respiratory disease caused by the virus SARS-CoV-2. It commonly causes coughing, fever, and difficulty breathing, but the symptoms can vary widely. Sometimes, COVID-19 may also cause ...

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, ...

New research shows lymph nodes aren’t just cancer bystanders, they’re the command centers fueling immune attacks. Surgically removing them along with tumors may weaken treatment, while preserving them ...