High neutrophils and low lymphocytes can mean your body is under severe stress or fighting an infection. A neutrophil-to-lymphocyte ratio (NLR) shows how sick you are and what treatment you may need.

Neutropenia is a condition that develops when a person does not have enough neutrophils, which are a type of white blood cell. It is a common side effect of chemotherapy. Most cases of ...

A newly identified circadian checkpoint shifts neutrophils into a protective night-like state, reducing inflammatory heart injury while preserving the body’s ability to fight infection. Study: A ...