Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood ...

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this ...

These cells freely circulate in your blood, but may form in larger amounts in response to threats like viruses, bacteria, and allergens. Some white blood cells also play roles in inflammatory ...

Penicillin flowing through the bloodstream rapidly kills the bacteria. But it cannot penetrate ... the body began responding on its own. White blood cells, the hunter-killers of the immune system ...

Alicia and Jon Langenhop's three children were each diagnosed with a rare disorder. A clinical trial was "a no-brainer." ...

Before bacteria can multiply and cause symptoms, the immune system can typically kill them. White blood cells (WBCs) attack harmful bacteria — even if symptoms occur, the immune system can ...

a type of white blood cell that kills bacteria and pathogens, were less active in people who had recently consumed straight sugar or sugary foods, including honey and orange juice. The ...

They are responsible for ingesting, killing, and digesting harmful pathogens like viruses or bacteria. The body's level of ...

Leukocytes, also known as white blood cells, are a central part of the immune ... urinary tract but spread to the kidneys. Occasionally, bacteria from other body parts reach the kidneys through ...

Scientists have revealed how a parasite that affects millions of people every year evades our immune defenses.