A fasting blood test requires you to avoid eating or drinking anything for some time before your test. The amount of time to fast varies for different tests. It’s generally in the range of 8 to 12 ...

The start-up Function will send practically anyone to a lab for extensive medical testing, no physical required. Is that a ...

With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

A doctor may recommend a lipase blood test if a person has symptoms of a pancreatic disorder. Lipase is an enzyme that may be high in people with pancreatitis, or other conditions. The pancreas ...

Doctors use Spurling tests to assess possible causes of neck pain. A positive result can indicate a pinched nerve. A Spurling test can help a doctor make a quick assessment about the cause of neck ...

Have your COVID-19 rapid tests expired? Don’t toss them yet. Federal regulators have extended some tests’ expiration dates, meaning certain offerings are now usable for months longer. The reason for ...

With COVID-19 cases on the rise again in the U.S., Americans are reviving a familiar precautionary measure: Screening for the virus using rapid at-home tests. Many people still have kits the ...

A test cross is a way to explore the genotpye of an organism. Early use of the test cross was as an experimental mating test used to determine what alleles are present in the genotype. An organism's ...