The properties of the blood and the ease of its retrieval make it a useful source for doctors to analyze to measure specific features of homeostasis within patients. This allows for accurate diagnosis ...

DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked her ...

Why “normal range” doesn’t always mean healthy on your lab results Your doctor says everything looks fine, but you still feel ...

I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the tourniquet had been left in place so long that it caused the red blood cells, ...