Researchers have developed a blood test based on a protein biomarker for tau tangles that can help diagnose Alzheimer’s ...

Certain medications can affect blood glucose levels. Your healthcare professional may ask you to stop taking a particular medication or to change the dosage before your test temporarily.

A transformative blood test to screen for colorectal cancer is available to Knoxville residents before it goes national.

An A1C test is a blood draw used to diagnose and manage prediabetes and diabetes. Learn more about who needs this test and ...