At-home food sensitivity tests, specifically IgG tests, do not reliably identify triggers for food-induced conditions. Allergy societies recommend against their use for food sensitivities and ...

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.

Employers gauge a job candidate's ability to work and learn in an establishment through pre-employment assessments. To make a sound decision in the hiring process, companies should understand how to ...