This article was reviewed by Felix Gussone, MD. Preparing properly for lab tests helps ensure your results are accurate and reliable. Some tests — like fasting cholesterol or fasting glucose — require ...

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, that’s exactly the point. Lab test results ...

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 ...

This story is sponsored by Intermountain LiveWell. 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 ...

You may feel perfectly fine at your annual checkup, but your doctor still orders lab tests. According to Dr. Sydney LeGuyader, an internal medicine physician at Intermountain Health, that is exactly ...

Labcorp is a global life sciences company headquartered in Burlington, North Carolina. Labcorp provides at-home test kits as well as in-person testing at their laboratory facilities, which are located ...

Mohana Ravindranath is a freelance health, science, and tech journalist and a 2025 Association for Health Care Journalists fellow. She was previously a Bay Area health tech correspondent for STAT.

Inside one transparent plastic container on a rack of shelves is someone’s big toe. Inside another, someone else’s uterus. In the complex and bureaucratic health care system, this bright room and its ...

Do you take vitamins or use herbal products? Most of us know that vitamins and herbal products can interact with your medications. But did you know that those same vitamins and herbal products could ...

Biomarker lab tests typically take a biological sample, like blood, to evaluate certain biomarkers, which are measurable indicators of your health. Whether you're checking your hormones, thyroid, or ...