Lymph nodes commonly swell in response to infections like the common cold, ear infections, or tonsillitis, as well as autoimmune conditions such as lupus or rheumatoid arthritis. They typically return ...

They're bean-shaped tissue areas that filter fluid (called lymph) in your body for dangerous substances and cells. They contain immune cells that remove germs, cancer cells, and damanged cells from ...

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at ...