The best at-home COVID-19 tests are FDA-authorized, easy to use, accurate, quick, and can also detect flu viruses. Lauren Paige Richeson is an Editor at Health, where she’s been writing, editing, and ...

The top free internet speed test apps are Meteor for app-specific performance insights, Speedtest by Ookla for all-around network testing, and FAST Speed Test for quick ad-free checks. Several factors ...

You don’t need to retest for COVID-19 if your symptoms have cleared or are improving. A positive PCR test may still occur weeks later, but it doesn’t mean you’re contagious. A positive COVID-19 test ...

A urine glucose test can show high blood sugar by analyzing sugar in your pee. If a urine glucose test shows high sugar levels, your provider will run a blood test to confirm diabetes. High glucose in ...

Known also as an E2 test, an estradiol test measures the amount of the hormone estradiol in your blood, which is essential for bone and joint health in females and helps control how fat is distributed ...

A tuberculosis (TB) skin test involves a small injection of tuberculin under your skin, which a healthcare professional will check 48 to 72 hours later for a raised bump called an induration. Whether ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

An antinuclear antibody (ANA) test checks your blood for certain types of antibodies called autoantibodies. Autoantibodies commonly develop in people with autoimmune conditions, but they can show up ...

FDAF (or F.D.A.F) is a free, open-source, MVC framework to build Java web applications and enterprise applications implementing Jakarta EE / Java EE, with MVC design implementing JSF (Jakarta Server ...