What these buzzy new tests can and can't tell you.

What Is an MCHC Blood Test? A mean corpuscular hemoglobin concentration (MCHC) blood test measures the amount of a protein called hemoglobin in your red blood cells. It’s one of many measurements ...

A new generation of blood tests promises to change the way doctors diagnose and treat Alzheimer's disease. The tests offer a fast and easy way for physicians to learn whether a patient with symptoms ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — New blood tests could help ...

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