A simple £5 blood test for the protein troponin could predict a person's risk of heart attacks and strokes with greater accuracy than ever before, research suggests. Troponin is found in heart muscle ...

A new study has mapped the distinct molecular "fingerprints" that 59 diseases leave in an individual's blood protein – which would enable blood tests to discern troubling signs from those that are ...

But which numbers actually matter? Routine blood tests remain among the most important ways to track overall health, yet most people never learn what values physicians prioritize. Understanding key ...

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 ...