White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...
Lymphocytosis means you have a higher-than-usual lymphocyte count, often defined as more than 3 to 4 billion cells per liter of blood. Lymphocytes are white blood cells that help fight disease. Smudge ...
From the moment they’re born, newborns — or, specifically, their immune systems — must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...