The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with symptoms asking: Is it allergies or a cold? COVID? Something else? Since ...

A video circulating on social media claims to show a quick and effective method for checking oneself for dehydration. The video shows two people pinching the skin around the top of a knuckle so it ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. At-home tests have been a critical tool in humanity’s efforts to ...

Fitness tests are often used in schools to measure students' cardiovascular and muscular health, and many districts rely on an assessment system called the FitnessGram to conduct those tests. But one ...

A TB blood test can find out whether you have the Mycobacterium tuberculosis bacteria in your body. Whether you need to get tested and how often depends on your specific circumstances. A blood test ...

During a recent visit to the London offices of the fact-checking organization Full Fact, I noticed an important question written on a whiteboard as the team prepared to fact-check the United Kingdom’s ...

Don't throw out your expired COVID tests just yet. Here's how to find out if the expiration date has been extended. Katie covered all things how-to at CNET, with a focus on Social Security and notable ...