People who lived longer had lower piRNA levels, suggesting these molecules may play a direct role in how long we live.

Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to ...

The partner of embattled bio-tech inventor and convicted fraud Elizabeth Holmes is part of a startup that plans to do medical tests using bodily fluids, according to reports from The New York Times ...