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What is hematocrit?

Dr. Michael Roizen, MD
Internal Medicine
This is the percentage of whole blood comprising red blood cells. It's a measure of both the number and the size of these cells and is expressed as a percentage by volume. A low hematocrit may indicate anemia, blood loss, bone marrow failure, destruction of red blood cells, or malnutrition or specific nutritional deficiency. A high hematocrit may indicate dehydration and a few other conditions.
You: Staying Young: The Owner's Manual for Extending Your Warranty

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You: Staying Young: The Owner's Manual for Extending Your Warranty

International bestselling authors of YOU: The Owner's Manual and YOU: On a Diet give you all the tools and know-how to stay young and defy the ageing process. Drawing lively parallels between your...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.