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 ...

and can become swollen if you have an infection in your head or neck. Preauricular lymph nodes are lymphatic structures in ...

Medically reviewed by Doru Paul, MDFact checked by Nick BlackmerMedically reviewed by Doru Paul, MDFact checked by Nick ...