Swollen lymph nodes is often a reaction to an upper respiratory infection, but it can have many causes – including cancer.

A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped clusters of immune cells in your neck, armpit, or groin puffs up, it’s typically an indication ...

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, made up of lymphoid tissues known as nodes and vessels, is part of the human immune system. It is involved in protecting the body against infection, by delivering immune cells, ...