Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or ...

Learn about the innovative SHIELD blood test by Guardant Health that aims to detect colorectal cancer early, potentially revolutionizing cancer screening methods. Discover its availability, impact, ...

Researchers compared total plasma pTau217 with a brain-derived pTau217 assay to determine which better identifies Alzheimer’s disease–related amyloid and tau pathology. Brain-derived pTau217 showed ...

A new blood test detected early-stage pancreatic cancer with 87.5% accuracy in a study of 672 people. A new blood test that ...

Questions about a blood test are threatening to upend the case against the driver who killed NHL star Johnny Gaudreau and his ...

A new screening tool can identify the hidden driver of a silent killer through standard blood work, bypassing the need to ask ...

Quest Diagnostics has rolled out an ultrasensitive blood test to monitor multiple myeloma treatment, potentially sparing patients from more invasive and costly bone marrow aspirations. Quest Flow ...

Millions of people donate blood each year, saving countless lives. After a donation, plasma and white blood cells are separated from red blood cells, which are the most commonly transfused blood ...

Cancer is appearing in Americans earlier than ever before. However, many younger people are missing out on their screenings, which can lead to later-stage diagnoses with worse outcomes. Blood-based ...

A new blood test may reveal Crohn’s disease years before symptoms begin. The test detects an unusual immune response to gut bacteria in people who later develop the condition. By studying healthy ...

Researchers are examining whether samples collected show accurately certain biomarkers which denote abnormal proteins in the brain. Volunteers in the ongoing study undergo cognitive tests, an MRI and ...

A finger-prick blood test that can be mailed to a lab may offer a simpler way to detect the brain changes linked to Alzheimer’s disease, according to a new study. Researchers tested whether tiny ...