Lymph nodes are small organs that are distributed throughout the body and drain lymph fluid from the tissues. Immune cells reside in lymph nodes and survey the lymph for signs of infection. If a ...

Doru Paul, MD, is a board-certified oncologist and hematologist. He is an associate professor of clinical medicine at Weill Cornell Medical College. Swollen lymph nodes without pain may be a sign of ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. According to National Wildlife Federation, there are two varieties of Douglas ...