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 ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

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 ...

This product goes further than others that only tests iron levels. By measuring ferritin levels, it looks at the amount of overall iron storage and whether a person has normal iron levels. This test ...

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 ...

Blood tests can help diagnose, stage, and determine how to treat uterine cancer. If your doctor suspects you have uterine cancer, they’ll also order imaging tests and a biopsy to confirm it. Share on ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...