Nearly all people who have systemic lupus erythematosus (SLE) test positive for antinuclear antibody (ANA), but a small number can develop lupus without ANA, known as seronegative or ANA-negative ...

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 ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Scientists at Mass General Brigham have created HPV-DeepSeek, a blood test that can detect HPV-linked head and neck cancers nearly a decade before diagnosis. By finding viral DNA in the bloodstream, ...

At-home gut health tests use DNA or RNA sequencing from a stool sample. Testing your gut health cannot replace an official diagnosis from a doctor. Your results may provide insights into gut ...

Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States Department of Bioengineering, University of Pennsylvania, Philadelphia, ...