Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

Checking your blood pressure at home or a local pharmacy can be an effective way to stay proactive about your heart health. However, when you're not receiving readings in the presence of a doctor, it ...

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 ...

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 ...

Blood sugar tests measure the amount of glucose in your blood and help detect prediabetes, diabetes, and blood sugar abnormalities early. The most common tests include the HbA1c test, Fasting Blood ...

The normal fasting plasma glucose level was recently defined as less than 100 mg per deciliter (5.55 mmol per liter). Whether higher fasting plasma glucose levels within this range independently ...

If you’ve ever had a doctor order a blood test for you, chances are that they ran a complete blood count, or CBC. One of the most common blood tests in the world, CBC tests are run billions of times ...