Lymph nodes play an important part in the body's defense against
infection. Swelling might occur even if the infection is mild or
not apparent.
Review Date: 12/22/2010
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine,
Harvard Medical School; Physician, Massachusetts General Hospital.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
