T cells are supposed to be relentless. These white blood cells patrol the body, identify threats, and destroy them.

When white blood cells, meant to protect the body from infection, are overly activated, they eject their DNA into nets, further disrupting the immune system and making patients more likely to develop ...

A new study from Karolinska Institutet, published in Cell Reports, shows that tumor-associated macrophages, which are white blood cells that are found in breast tumors, can both help and hinder the ...

Platelets are small types of blood cells that prevent excessive bleeding. It’s possible to develop low or high platelet counts related to a number of health conditions. Platelets are one of the main ...

A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood cell arrives ...

Eating foods like yogurt, lean proteins, and vegetables can support healthy white blood cell levels. Medicines like Neupogen ...

Deb Hipp is a freelance health and medical writer and editor who lives in Kansas City, Missouri. She is a former investigative reporter with more than 25 years of experience as a journalist and writer ...

There's a bouncer in everyone: The blood-brain barrier, a layer of cells between blood vessels and the rest of the brain, kicks out toxins, pathogens and other undesirables that can sabotage the brain ...