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 ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Since 2010, Juliana has been a professional writer in the technology and small business worlds. She has both journalism and copywriting experience and is exceptional at distilling complex concepts ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

On July 31, President Donald Trump signed an executive order that would bring the set of physical exercises back Christopher Rudolph is a contributing writer for PEOPLE. He previously covered ...

Your doctor may recommend the creatine phosphokinase (CPK) test if there's a need to measure CPK enzyme levels in your blood. The cells in your body require this creatine kinase enzyme to generate ...

Research continues to show the influence your gastrointestinal (GI) system (or your “gut”) has on your overall health. While certain symptoms, such as indigestion, mood changes, and skin diseases, ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

For many students and young adults, hearing about the Rice Purity Test can be a bit confusing. You might have seen friends ...