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

A new test using cells collected from urine and vaginal fluid could help rule out uterine and other cancers in most women who ...

Learn how dry eye syndrome is diagnosed with symptom checks, tear tests, and exams that help identify the cause and severity.

The best at-home STD tests offer fast and accurate results, use CLIA-certified labs, and accept health savings accounts (HSAs) and flexible spending accounts (FSAs). Most modern STD tests are highly ...

Noninvasive prenatal testing (NIPT) is a blood test performed around 10 weeks of pregnancy that analyzes cell-free DNA (cfDNA) from the placenta to assess the risk of chromosomal irregularities like ...

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 ...

January 20, 2026 - EPA announces projects selected to receive over $35 million to facilitate reducing lead in drinking water. More information EPA Announces Funding for States to Reduce Lead in ...

Background SLE features aberrant type I interferon production, with the stimulator of interferon genes (STING) pathway acting as a key upstream driver. However, its expression patterns in patients ...

EPA offices and laboratories, and outside organizations, have developed approved methods for measuring the concentration of a substance or pollutant. Below are categories of methods. Learn about how ...