A small hand-powered device can identify a person’s blood type and measure red blood cell levels in about one minute. The ...

Type 1 diabetes is a chronic autoimmune condition in which the pancreas produces little to no insulin. “Both adult and childhood-onset type 1 diabetes are due to autoimmune destruction of cells in the ...

Test doubles can be useful for load testing, as they can stand in as functional substitutions for third-party services whose rate limits make testing at scale impossible. Test mocks are a less common ...

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 ...

Testing, tracking, tracing, and isolating (TTTI) quickly and on a large scale have proven essential to public health policy responses during the coronavirus disease 2019 (COVID‑19) pandemic. Different ...

Research continues to show the influence your gastrointestinal (GI) system (or your “gut”) has on your overall health. While certain symptoms, such as indigestion, mood changes, and skin diseases, ...

Mononucleosis tests can detect antibodies directed to viruses that cause mononucleosis. Usually, a doctor recommends these tests when someone has symptoms of the disease. People often refer to ...

Sickle cell tests have become routine in newborn screenings, but older children and adults may need to be tested as well. Read on to see if you or a loved one might benefit from being tested for ...