Researchers used genetic material from human blood and lab-grown brain cells say they have made progress in developing a blood test to identify disease-associated changes in the brain specifically ...

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 ...

The US Food and Drug Administration is proposing to step up its oversight of a growing category of medical tests called laboratory-developed tests. The FDA approves and clears many types of lab tests ...