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 ...

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, ...

At-home sleep tests are convenient and cheaper than lab studies. But there are some major differences you should know before buying. Taylor Leamey Former Senior Writer Taylor Leamey wrote about all ...

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 ...

You may be looking to test your thyroid function if you’ve noticed concerning changes in your metabolism, digestion, body temperature, or fertility. At-home thyroid testing may be a less expensive ...

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 ...

What Is the CD4:CD8 Ratio Test Used For? CD4 and CD8 are two types of white blood cells in your blood. White blood cells help your body fight infections. If you have HIV infection, your doctor may use ...