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

Doctors use X-rays, MRIs, and blood tests to diagnose and monitor psoriatic arthritis, track disease progression, and guide treatment decisions.

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

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