This article was reviewed by Darragh O’Carroll, MD. Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they ...

Could a simple blood test predict your risk of getting dementia years, or even decades, before you experience memory loss?

The U.S. FDA recently approved a new blood test to diagnose Alzheimer’s disease. The test, called Lumipulse, measures two proteins in plasma: pTau217 and ß-Amyloid 1-42. These proteins clump together ...

It’s good news in the fight against colorectal cancer: A new test can detect the disease with a simple blood draw. But don’t cancel your colonoscopy just yet — that old standby is still more reliable ...

Alzheimer’s disease is a devastating condition that affects more than 7 million Americans, according to the Alzheimer’s Association. As the Baby Boomer generation ages, this number is estimated to ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...