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 ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

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 fibrinogen blood test is used to assess how well the protein called fibrinogen — also called coagulation factor I — performs in the blood and to measure its levels in your blood. The test is also ...

The American Cancer Society released new recommendations to “close the screening gap” and catch more cancer cases at a ...

Figuring out how advanced a patient’s Alzheimer’s disease has become could be made much easier with this method.

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 ...

For the first time, a blood test has been added to the list of the American Cancer Society’s recommended screenings for ...

Blood tests miss early cancers and should be limited to people who decline other methods, new guidelines say.

A single blood test could help doctors predict how lung cancer patients will respond to treatment before therapy begins, ...

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 ...