Typically, a low neutrophil count (neutropenia) results in a low white blood cell count, meaning your body does not have enough white blood cells to fight infection. People with a low white blood ...

A person with leukopenia has a low number of white blood cells, or leukocytes, in their blood. A low white blood cell count may make a person more likely to contract an infection.

Exercise generally increases white blood cell count, but chronic overtraining can cause a WBC drop. Learn more here.

Introduction Despite multiple studies showing that a normal white blood cell (WBC) count does not exclude serious disease, physicians in all specialties continue to behave as if it did. To assess ...

Doctors often monitor lymphocyte and other blood cell counts during the diagnosis and treatment of lymphoma. Learn more.

These results extend the evidence that low-grade inflammation is not only an outcome of COVID symptom severity but may also precede the acute COVID-19 infection.

Febrile neutropenia: low white blood cell count along with a fever. Hypokalemia: low levels of potassium in the blood. This study also assessed outcomes in 713 patients with HER2-low breast cancer. In ...

Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms of long COVID among older women, researchers reported.