The idea of a single blood test for cancer is revolutionary, and such a test could potentially lead to earlier diagnosis. However, the reality is that there is no reliable blood test for cancer yet.

A hair strand drug test screens for illicit drug use and the misuse of prescription medication. Though commonly called a “hair follicle test,” this drug test only tests clipped strands of hair, not ...

The Galleri blood test can detect more than 50 different types of cancer. It looks for patterns in circulating DNA that can signal the presence of cancer in your body. Its accuracy can vary by cancer ...

The Self-Administered Gerocognitive Exam, known as SAGE, is a short pen-and-paper test to detect the early signs of cognitive, memory, or thinking impairments. The exam is meant to evaluate your ...

Your body typically uses glucose, or sugar, as its main source of energy. When cells don’t get the glucose they need, the body begins to use fat instead. Burning fat produces ketones, a type of acid ...

My colleagues from Mentor Graphics, Ron Press, Martin Keim, and I often write about various aspects of digital IC test. If you started following the Test Voices blog when it was part of Test & ...