Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

In July, the US Food and Drug Administration (FDA) approved a new blood-based test to screen for colorectal cancer (CRC). The FDA's approval of Shield (Guardant Health) marks a notable achievement, as ...

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional.

In many cases, it's not until memory problems start creeping up that most people learn they have Alzheimer's disease. By then, the disease may already be progressing, leaving limited options for ...

Underlying factors can make weight loss harder or more complex for some people. Blood tests for weight loss can give insight into thyroid function, nutrient deficiencies, and hormone levels affecting ...