DEAR DOCTOR K: Last week I received the results of some recent blood work. A few of my values fell just outside the normal range. My doctor says it’s fine, but I’m still worried. Do I need to be? DEAR ...

This article was reviewed by Felix Gussone, MD. How to Read Blood Test Results: What “Normal” Really Means for Your Health ...

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 ...

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 ...

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 ...

A chloride blood test measures the levels of chloride in the blood. High levels of chloride cause hyperchloremia. Low levels of chloride cause hypochloremia. Chloride is an electrolyte that helps ...

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 ...

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 ...

A GFR of over 90 is considered normal. But having a GFR of 60 or above may also be considered within the normal range if you do not have other signs of kidney disease. Diabetes is a long-term (chronic ...