Pollen count is a measurement of the amount of pollen in the air. This pollen can trigger seasonal allergies, which is also known as hay fever or allergic rhinitis. Pollen is a powdery substance ...

The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T cells, that move throughout your body to find and destroy bacteria, ...

Add Yahoo as a preferred source to see more of our stories on Google. We get it, because even though we consider ourselves to be royal experts, we also have plenty of questions about this designation ...

A pregnant person’s white blood cell count may increase throughout pregnancy and immediately after. Treatment is usually unnecessary unless there is an underlying infection. White blood cells (WBCs), ...

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 ...

A typical platelet count range can change with age. Platelet counts may fluctuate due to natural vascular aging, changes in bone marrow tissue, and altered blood plasma makeup. Platelets, or ...

Daniel Rathburn is an editor at Investopedia who works on tax, accounting, regulatory, and cryptocurrency content. The term count refers to a form of technical analysis that employs point and figure ...