In the wake of its latest test of the Ground-based Midcourse Defense (GMD) system, the U.S. Missile Defense Agency has published a video explainer that provides a very useful description of what ...

Biological age tests measure how fast your body is aging compared to your actual age. These tests rely on biomarkers tied to ...

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 ...

There are currently two options for at-home flu testing. Here's what you need to know. (Photo illustration: Yahoo News; photos: Getty Images) Many Americans have become accustomed to swabbing their ...

The expiration date listed on the box might not be accurate. Here’s what to know. By Dani Blum As the government ships out another round of free Covid tests, some appear to have arrived already ...

It has been shown to detect the disease even before the person begins experiencing symptoms, researchers say. "The tested blood test can detect Alzheimer’s disease with high accuracy even in real-life ...

So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

Earlier this year the Food and Drug Administration approved a new human papillomavirus test that allows for self-collection of samples in a health care setting, thereby removing what many say is an ...

Most of us have taken a COVID test at home. The uncomfortable nasal swab, the anxious waiting as the red lines bleed into either positive or negative. And then finally, the result. The whole process ...