A common blood test marker may reveal Alzheimer’s risk years in advance. Elevated immune cells could signal danger early and ...

A new study suggests depression may soon be detectable through a simple blood test—by tracking how certain immune cells age.

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 ...

This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...

Add Yahoo as a preferred source to see more of our stories on Google. Blood tests are a quick and fairly easy way for medical professionals to detect serious health problems. Having your blood drawn ...

A blood test is a medical procedure where a sample of a person's blood is taken (called a blood draw) and sent to a lab for analysis. Knowing the results of blood tests helps a physician better ...

Blood tests help doctors detect multiple myeloma by measuring changes in blood cells and proteins associated with bone marrow cancer. A complete blood count (CBC) can show low red blood cells or ...

Mean corpuscular hemoglobin (MCH) is a measure of the average amount of hemoglobin in the red blood cells (RBCs). The hemoglobin in red blood cells picks up oxygen in the lungs and delivers it to all ...

A new study finds PTSD is linked to measurable changes in routine blood tests, revealing how trauma affects the body beyond ...

Mayo Clinic researchers have developed a blood-based method that may help detect germ cell tumors, the most common type of ...

Scientists at Oregon Health & Science University say they are getting closer to a simple blood test that could help doctors ...

Your doctor orders an HbA1c test. You get the results back. Everything looks fine. Your blood sugar is under control. You're ...