Mohana Ravindranath is a freelance health, science, and tech journalist and a 2025 Association for Health Care Journalists fellow. She was previously a Bay Area health tech correspondent for STAT.

Lab tests play a key role in clinical decision-making. More than 4000 lab tests are available, and an estimated 70% of clinical decisions are based on their results. Correct interpretation is critical ...

Medical laboratory scientists collect samples and perform lab tests, calibrate and maintain equipment, and perform statistical analysis. Their work is crucial for clinicians to diagnose diseases.

One of the most rapidly accelerating health trends today is direct-to-consumer lab testing, in which users pay a company for a certain test, collect their own mouth or nasal swabs, finger-prick blood ...