A new study suggests depression may soon be detectable through a simple blood test—by tracking how certain immune cells age. Researchers found that accelerated aging in monocytes, a type of white ...

Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to ...

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 ...

Deb Hipp is a freelance health and medical writer and editor who lives in Kansas City, Missouri. She is a former investigative reporter with more than 25 years of experience as a journalist and writer ...

A D-dimer test measures a protein fragment that remains in the blood after blood clots break down. It can help diagnose clotting conditions such as deep vein thrombosis (DVT), pulmonary embolism (PE), ...

Abnormal stress test results may suggest an underlying heart condition, such as coronary artery disease, or a blockage in the arteries supplying blood to the heart. Failing a stress test means you can ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

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 ...

Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

Recently, a pharmaceutical company came to the antibody-discovery specialist, Abveris, with a serious problem. The pharmaceutical company had tried and failed to develop a monoclonal antibody for an ...