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 ...

Doctors can provide alternative forms of screening for colon and rectal cancer but sometimes have a good reason to stick with the colonoscope. By Gina Kolata This year about 53,000 Americans are ...

A total iron binding capacity (TIBC) test is a type of blood test that measures the capacity of transferrin, a carrier protein, to bind with iron. The results can help diagnose certain health ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

Forbes contributors publish independent expert analyses and insights. Jesse Pines is an expert in healthcare innovation and wellness. Biological age tests are one of the most talked-about tools in ...

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.