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 ...

Researchers are studying tests called liquid biopsies, which can provide vital information about cancer genes using only a blood sample. A blood test to find cancer even before it shows any symptoms ...

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 ...

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 ...

RSV is short for respiratory syncytial virus. It’s a virus that can cause respiratory infections in your lungs, nose, and throat. It’s best to test for RSV soon after your symptoms start. That’s ...

A new generation of blood tests promises to change the way doctors diagnose and treat Alzheimer’s disease. The tests offer a fast and easy way for physicians to learn whether a patient with symptoms ...

Experts predict a test measuring p-tau217 in blood plasma may become a standard screening tool for Alzheimer’s disease in asymptomatic patients.

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 ...

A new generation of blood tests promises to change the way doctors diagnose and treat Alzheimer's disease. The tests offer a fast and easy way for physicians to learn whether a patient with symptoms ...