Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

When I signed up to try a bunch of health and aging tests for The Post, I knew there would be blood. I just didn’t realize how much blood I’d have to surrender. I’ve undergone several fertility ...

Quest Diagnostics may be the preferred lab your health insurance, doctors, or specialists use for blood work or other samples. We’re reviewing its sub-brand Quest Health, from which you can order your ...

If you’ve ever wondered why your doctor asks you to do a blood test or provide a urine sample at your annual checkup even if you’re feeling perfectly fine, ...

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, ...

An at-home liver test can check for liver disease or help monitor an ongoing condition by measuring certain proteins, enzymes, and bilirubin in your blood. Taking this test can help shed light on the ...

I’m not surprised that Garmin did well, but I am surprised by some of the watches at the bottom of the list. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal ...