“This research shows that [Alzheimer's disease] progresses differently in each person, with unique patterns of biomarker changes.”

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

What people say they've eaten and what they've actually eaten are often two very different lists of foods. Their poop could reveal the truth.

Newly discovered biomarkers may offer a way to predict if pancreatic cysts will turn to cancer or remain benign.

Researchers have found a marker in the brain that indicates vulnerability to developing post-traumatic stress disorder.

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

A new technique can measure thousands of molecules from a single drop of blood. The blood can even be collected at home.

A new test needs only a blood sample to detect a novel marker of Alzheimer's disease neurodegeneration, researchers report.

Low levels of ergothioneine, a diet-derived compound in blood plasma, may help identify older adults at risk of developing dementia.

The shape of certain proteins in spinal fluid may be a sign of Parkinson's disease, according to new research.