Lymphocytes are white blood cells that help protect the body from infection and disease. High or low numbers of lymphocytes may signal a condition, such as an infection, leukemia, or immune deficiency ...

Dear Dr. Roach: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...

The analysis of 11,427 Veterans Administration (VA) hospital patients with multiple myeloma (MM) reveals that lymphopenia affects 53% of patients at diagnosis. The median overall survival was 2.7 ...

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.