Swollen lymph nodes often indicate that the lymphatic system is actively fighting off an infection or illness by accumulating bacteria and dead cells. While swollen lymph nodes can result from ...

You have between 600 and 800 lymph nodes spread throughout your body. Lymph nodes are a key part of your immune system. (Photo Credit: iStock/Getty Images) You might be able to feel some of your lymph ...

Preauricular lymph nodes, which are located in front of your ears, can sometimes become swollen and painful. Common causes include an ear or tooth infection. Treatment can depend on the underlying ...

Swollen lymph nodes, or swollen glands, in the neck may indicate an infection. They can also occur due to a medical condition, such as an immune disorder or, less commonly, cancer. Treatment can ...

Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer. The ...