Phlebotomy is the process of drawing blood from a vein, commonly done in lab testing to diagnose or watch different medical ...

Conventional testing procedures often require a "spinal tap" in which a needle is inserted into the lower spine to retrieve ...

A single blood draw that can detect 50 different types of cancer sounds like science fiction, but it's already available to ...

Stanford Medicine researchers have developed a blood test capable of detecting cancers, the ways cancer resists treatments ...

A new study confirms that plasma p-tau181 levels can identify subjective cognitive decline (SCD) as a distinct early stage of ...

A new study finds that fragments of tumor DNA in a patient's bloodstream could show that they are at high risk of a melanoma ...