A T cell count is a blood test that measures the number of T cells in your body. T cells are a type of white blood cell called lymphocytes. These cells fight off diseases. The two categories of ...

In 1972, early into his tenure at Sesame Street, Norman Stiles thought up a pun. The former Merv Griffin comedy writer had spent his first year penning scripts around the kids program’s strict ...

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 ...

Cerebrospinal fluid (CSF) is a clear liquid that cushions and surrounds the brain and spinal cord. It helps support the venous structures around the brain, and it’s important in brain homeostasis and ...

A high red blood cell count can occur for many reasons, including excessive cell production, changes in blood volume, or underlying medical conditions. Sometimes, the cause is unknown. Erythrocytes, ...

There are a few ways to count the number of items in an Excel list, depending on the data you have. In this tutorial, learn how to count items in Excel using the COUNTIF and SUBTOTAL functions. Image: ...

Carbohydrates -- also called carbs -- are an important energy source for your body. Your digestive system can break them down quickly. They're converted into glucose, or blood sugar. Your body can use ...

Your doctor will usually check your red blood cell count together with your other blood cell counts to look for conditions that cause low counts (anemia) or high counts. Many health conditions can ...