The lymphatic system is a major part of the immune system. It’s made up of various lymph nodes and vessels. The human body has hundreds of lymph nodes throughout different locations in the body. The ...

Reactive lymph nodes are a common immune response, often appearing during infections or inflammation and usually improving as the underlying cause resolves. You may have noticed swollen “glands” in ...

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 ...

When the body fights an infection or injury, lymph nodes sometimes swell. Doctors call this a reactive lymph node. Treatment can depend on the cause. Lymph nodes house white blood cells. These cells ...