The National Academy of Sciences, after reviewing the research on polygraphs, concluded that polygraph tests should not be used for national security clearances.

National Academy

A prestigious society or organization, often government-sponsored, established to advance science, the arts, or other cultural and educational causes within a nation.

Sciences

Systematic and organized bodies of knowledge about the universe and living beings, characterized by empirical evidence and the application of scientific methods.

Polygraphs

Instruments used to measure physiological responses, such as heart rate and blood pressure, to determine whether a person is telling the truth.