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.

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 ...

Genetic testing can be a fearful, daunting, overwhelming, exciting, or joyful experience. In many cases, the emotions of people who pursue genetic testing can be described with more than just one of ...