Does your diet meet your nutritional needs? The test for that is on sale. Want to know if you’re positive for HIV? Quest Diagnostics will tell you for $79. Concerned you have herpes? That test costs ...

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 ...

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 ...

Kidney function tests determine whether the kidneys are functioning typically or whether a person may need regular testing or further treatment. Many online companies design these types of tests for ...

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.

It's easier than ever to test for sexually transmitted infections at home. We break down whether or not you should. Getting tested for sexually transmitted infections can feel complex, confusing, or ...