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 test, a decade in the making, is being touted by UCSD physicians as addressing "a critical diagnostic gap." ...

Please provide your email address to receive an email when new articles are posted on . Aromatic amino acids and peptide backbones “most effectively discriminated” fibromyalgia from other rheumatic ...

At-home health tests are medical testing kits that allow you to collect samples, such as blood, urine, or saliva, from your ...

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 ...

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 ...

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 ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

A 96% accurate blood test for ME/CFS could transform diagnosis and pave the way for future long COVID detection. Researchers ...

A “HOLY grail” blood test can pick up cancer cases with 84 per cent accuracy – even among patients who have been falsely ...

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 ...

Becca Stanek is an experienced writer and editor who is passionate about exploring the ways we can feel better mentally and physically to get the most out of our lives. She has worked for publications ...