This article was originally featured on The Conversation. Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced the launch of a novel ...

A potential blood test can distinguish ME/chronic fatigue syndrome with great accuracy, after years of medical uncertainty.

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Millions of people donate blood each year, saving countless lives. After a donation, plasma and white blood cells are ...

A study found that a blood test detecting ctDNA after surgery more accurately predicts recurrence and survival in patients with stage 3 colon cancer.