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 CO2 blood test measures the amount of carbon dioxide (CO2) in the blood serum, which is the liquid part of blood. It’s typically used to screen for kidney, respiratory, or metabolic disorders. You ...

A medical technology company in Australia is aiming for a world-first: it wants to launch a blood test for endometriosis ...

(CNN) — To screen for colon and rectal cancers, most people have colonoscopies, which can feel invasive and require anesthesia, or they may take an at-home stool test, which can be more convenient but ...