"What our blood test demonstrates is that it's possible to detect this disease much earlier than our current diagnostics permit."

A simple blood test to diagnose Alzheimer's disease could make early diagnosis and treatment accessible to more people.

A blood test in midlife may predict risk of cognitive decline and Alzheimer's later, according to a new study.

A new rapid test can detect both HIV and tuberculosis at the same time with just a small amount of blood, researchers report.

A highly sensitive blood test can detect a key protein produced by cancer cells in as little as two hours, researchers report.

A new blood test that detects Parkinson’s disease may offer a way to diagnose the condition before nervous system damage gets worse.

Letting people at high risk of PFAS exposure collect their own blood for testing could lead to earlier detection of health problems.

A new test would use just a drop of blood to test for the STI Trichomonas vaginalis, also called trich.

By shining a laser on a drop of blood, mucus, or wastewater, researchers can use the light reflecting back to positively identify bacteria.

A new blood test that identifies progression of osteoarthritis in the knee is more accurate than current methods.