Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

Laurencia Villalba is a vascular surgeon in private and public practice. Alison Tomlin and Theresa Larkin do not work for, consult, own shares in or receive funding from any company or organization ...

Medically reviewed by Archana Sharma, DO Key Takeaways The lymph system helps cleanse the body, but it's not the main organ ...

When you start feeling under the weather, you might reach to the sides of your neck (just like your parents used to) to see if you have inflamed lymph nodes. Even if you know nothing else about the ...