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 ...

Immunoglobulins, or antibodies, are produced by white blood cells. They help your body defend against infections and conditions like cancer. Tests measure them and help diagnose these medical ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

No single blood test can diagnose liver cancer, but liver cancer blood tests can detect signs of liver dysfunction. Depending on a person’s signs and symptoms, a doctor may recommend further testing, ...

Methylmalonic acid (MMA) is a substance that is created when your body digests protein. The amount of vitamin B12 in your body controls how much MMA your body makes. A high amount of MMA typically ...

When it comes to maintaining health, it can be helpful to understand an optimal baseline for some matters. Learning a healthy weight range for your height, age, and gender, for instance, can be useful ...

Carbon dioxide (CO2) blood tests evaluate the presence of the gas in your blood. If your CO2 levels rise too high or fall too low, the test results may be an indication that you have a health ...

Blood sugar checks are essential for the diagnosis and treatment of every form of diabetes. “Glucose monitoring is critical for preventing short-term and long-term complications of diabetes,” says ...

As PSA testing recommendations change and the debate surrounding testing continues, people with a high-risk of prostate cancer and their families need to stay informed. John Salata says he is grateful ...

It’s easy to get overwhelmed with emotions when you’re taking a pregnancy test. Your life may change forever depending on the results. Confirming those results with your doctor, even if they’re ...