Urease is one of the most consequential enzymes in the microbial world. By hydrolyzing urea into ammonia and carbon dioxide, ...

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 chemical stress test uses medications to make your heart beat faster and widen your blood vessels, simulating how your heart responds to exercise when you can’t use a treadmill or bike. The test can ...

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 ...

Creating characters that encompass the rich diversity of humanity is particularly pertinent to screenwriting, where representation really does matter. However, gender inclusivity in media has long ...

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 ...