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.

You can consume nothing but water for at least 8 hours before a fasting glucose test. You may also need to follow a low carb diet and avoid exercise for some time before. A fasting glucose test ...

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 ...

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 ...

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 ...

Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...