Tumor marker blood tests may help inform various aspects of cancer care, including diagnosis, staging, treatment planning, and outlook. However, they’re often not the only diagnostic tests used. If ...

Molecules in blood and urine may reveal how much energy a person consumes from ultraprocessed foods, a key step to understanding the impact of the products that make up nearly 60% of the American diet ...

BOSTON - A marker in the blood may help detect Alzheimer's disease years before a patient develops symptoms. Alzheimer's disease begins decades before memory loss starts to show, and early diagnosis ...

A combined blood test for cognitive decline has a 90% accuracy rate in determining whether memory loss is due to Alzheimer’s disease. Dr. Sanjay Gupta explains. When Penny Ashford’s father was ...

A new blood marker, the red cell distribution width-to-albumin ratio (RAR), shows promise in detecting diabetic kidney disease (DKD) early. This simple, inexpensive ratio, derived from routine blood ...

In a new study of long COVID published March 13, 2022, in the Annals of Neurology, UC San Francisco researchers identified biomarkers present at elevated levels that may persist for many months in the ...