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 ...

The lymphatic system has long been considered mysterious. But the lymphatic system—and the lymph nodes within it—plays fascinating and important roles in health and disease, from fighting off ...

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, ...

Lymph nodes are small, bean-shaped structures that are part of the lymphatic system. The lymphatic system helps the body fight infection and filter harmful substances. Lymph nodes are present ...

The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...

Swollen glands or lymph nodes are a frequent concern for parents, since they're so common in children. Young children often have swollen glands because their bodies' defenses are constantly at work ...

The lymphatic system quietly runs one of the body’s most important jobs, and most people have never thought about it until a TikTok told them to dry brush. Here’s what’s actually happening inside your ...

You have more than 300 lymph nodes in your head and neck. Cancer can either start in these lymph nodes or spread there from other body parts. Symptoms include swelling, fever, and night sweats. Share ...