Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

A chemical stress test uses medications to simulate your heart’s response to exercise. A stress test can assess how well your heart performs during exercise. Your doctor may suggest a stress test if ...

Cognition can be generally defined as the state or processes of being able to perceive and judge reality effectively. Cognitive tests are designed to determine whether you may have any issues with ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence.

Facing long lines and shortages of home test kits during the latest surge, people are searching for answers about Covid tests. By Tara Parker-Pope Dani Blum and Nicole Stock Testing is essential to ...

Shoulder problems are one of the most common complaints that doctors need to diagnose. Speed’s test and Yergason’s test are both ways for your doctor to physically examine the area around your ...

A glaucoma test is a complete eye exam that checks vision, eye health, and optic nerve health. Glaucoma is an eye disease that damages the optic nerve. A complete eye exam can diagnose this condition.

Kimberly Dawn Neumann is a New York City-based magazine and book writer whose work has appeared in a wide variety of publications, including Women’s Health, Health, Cosmopolitan, Fitness, Prevention, ...

Urine tests measure specific substances in your urine, such as electrolytes, proteins, and bacteria. These tests can reveal a lot about your health, particularly when gradual changes or big jumps ...

Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

China’s latest maglev experiment is not just a laboratory stunt, it is a blunt demonstration of how far the country is ...