Whenever I order arterial blood gases (ABGs), the report includes hemoglobin levels. How do these levels correlate with the hemoglobin levels on a complete blood count (CBC)? Can management decisions ...

Eosinophils are a type of white blood cell. Low eosinophil numbers may occur due to certain medications or an underlying health condition, such as Cushing syndrome. Eosinophils play a role in the ...

Aplastic anemia is when your bone marrow can’t make enough healthy blood cells, including red blood cells, white blood cells, and platelets. A CBC measures blood cell levels and is used to diagnose ...

Quiz: Which blood tests matter most for aging adults? Most people know they should get blood work done. Fewer know what each ...

Medically reviewed by Benjamin Leach, MD Key Takeaways Lymphocytes are white blood cells that help protect the body from ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

Blood tests alone cannot definitively diagnose non-Hodgkin’s lymphoma, but they can help doctors identify related issues and monitor treatment progress. A typical blood panel for non-Hodgkin’s ...

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 ...

Your blood offers a treasure trove of health clues, but what are the top recommended blood tests for women-and which may be misleading or unnecessary? We spoke with a leading women's health expert to ...