Gregory Jbara. Gregory Jbara (/dÊÉËbÉËrÉ/; born September 28, 1961) is an American film, television and stage actor, and singer.
A high white blood cell count, called leukocytosis, may result from a number of conditions and diseases. Some examples include: Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites.
The white blood cell count can also go down when cancer is treated with chemotherapy drugs that kill fast growing cells. White blood cells also grow quickly, so the treatment can attack the white blood cells as well as the cancer. Other causes of a low white blood cell count include: 1  Crohn's disease.