I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

Run-of-the mill? Middle of the road? Typical? The chance that you are correct is vanishingly small. If you're a clinician, like me, you get a LOT of medical questions. While we've all been asked to ...

The numbers and reference ranges on lab results can be confusing to contextualize on your own. Your healthcare provider can ...

Doctors often say labs look “normal.” Dr. Mark Hyman explains why that doesn’t always reflect wellness, and what early ...

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 ...

For most healthy women, optimal fasting insulin levels should be less than 25 mIU/L (milli-international units per liter), ...

Dr. Miller: How worried do you need to be when you receive your lab results in the mail or online before your physician's had a chance to talk to you about them? I'm Dr. Tom Miller and we're going to ...