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 ...

Your blood serves numerous roles in maintaining your health. To carry out these functions, blood contains a multitude of components, including red blood cells that transport oxygen, nutrients, and ...

Add Yahoo as a preferred source to see more of our stories on Google. ABC News medical correspondent Dr. Darien Sutton discusses what to do when getting a blood test result by comparing the results ...

This article was reviewed by Darragh O’Carroll, MD. Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they ...

Created by Guardant Health, the blood test, known as Shield, was able to detect 83% of colorectal cancers in studies but only 13% of dangerous polyps. Colonoscopies find approximately 95% of these ...

When cancer is detected earlier, it can improve outcomes for patients. Liquid biopsies are one way to improve cancer detection; these tests can analyze DNA in blood samples, which can reveal the ...

That blood test your doctor suggested to check for Alzheimer’s? It might be giving dramatically different results depending on your race. While these tests promise earlier detection of a devastating ...