0. Bob Harper is the newest host of NBC's The Biggest Loser.. Pictured: Harper at the 2015 NBC Upfront Presentation at Radio City Music Hall, on May 11, 2015, in New York City.
Cancer treatments such as chemotherapy or radiation therapy can destroy white blood cells and leave you vulnerable to infection. Infection. A higher-than-normal white blood cell count usually indicates some type of infectionâwhite blood cells are multiplying to destroy an enemy, such as bacteria or a virus.
The immune system. White blood cells. The body has an immune system that kills microbes if they get past the natural barriers. White blood cells are very important in the immune system. There are different sorts of these cells, but they can do two main jobs. Some white blood cells can engulf microbes and kill them. Some white blood cells can make substances called antibodies that stick to microbes. Microbes have chemicals called antigens.