WASHINGTON, DC - MARCH 5: Jayanta Bhattacharya, U.S. President Donald Trump's nominee to be Director of the National Institutes of Health, speaks at his confirmation hearing before the Senate ...

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 ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

Abnormal stress test results may suggest an underlying heart condition, such as coronary artery disease, or a blockage in the arteries supplying blood to the heart. Failing a stress test means you can ...

Canada has introduced enhanced screening measures for Ebola at airports for returning travellers, Canada’s top doctor said Friday after confirming an individual who was tested in Ontario is negative ...

An antibody titer is a type of blood test that determines the presence and level (titer) of antibodies in the blood. This test is carried out to investigate if there is an immune reaction triggered by ...