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

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 ...

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), ...

Professor of Chemical and Biological Engineering, Biomedical Engineering, and Public Health, Colorado State University Your blood serves numerous roles to maintain your health. To carry out these ...

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

You probably already know you need calcium for strong bones and teeth. But did you know that you need normal levels of this important mineral for healthy blood vessels, muscles, and nerves, too? If ...