Urine tests can detect bacterial STIs like chlamydia and gonorrhea for most people. Urine tests may not detect STIs in women as well as vaginal or cervical swabs do. Urine tests are a simple and ...

Once again, it's the time of year when respiratory illnesses — including COVID-19 — make their comeback. So, as we gear up for another winter virus season, take a moment to make sure you know how and ...

If you have COVID-19 symptoms, test as soon as possible. Wait five days to test after exposure if you do not have symptoms. Rapid antigen tests give quick results but may miss the virus in people with ...

Methacholine challenge test (also known as bronchoprovocation test) is performed to evaluate how "reactive" or "responsive" your lungs are. It can help your doctor evaluate symptoms suggestive of ...

Twenty-four-hour pH impedance testing is a procedure that assesses acid reflux in the esophagus over a 24-hour period. The test is one way your doctor can see if you have a condition called ...

If you have acid reflux, your doctor might recommend wireless esophageal pH test, also known as Bravo pH test, to measure acidity in the esophagus (the passageway between your mouth and stomach).

Genomic testing is one method your doctor can use to predict how your cancer will grow and which treatments might work best against it. It's sometimes called "DNA sequencing." The test looks at all ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

Psychological testing and evaluation consists of a series of tests that help determine the cause of mental health symptoms and disorders, to determine the correct diagnosis and follow up with the ...

The American Academy of Dermatology gratefully acknowledges the support from Sanofi and Regeneron. If your skin reacts to something and your dermatologist suspects you’re having an allergic reaction, ...

Standardized, repeatable testing is central to all of the 1,500-plus reviews we publish annually. Here's how we test every laptop that hits the bench at PC Labs using 24 different benchmarks. From the ...