What is Dianetics? The word Dianetics is derived from the Greek dia, meaning “through,” and nous, “mind or soul.” Dianetics is further defined as “what the soul is doing to the body.” DIANETICS dia = through nous = mind or soul When the mind adversely affects the body, it is described as a psychosomatic condition. Psycho refers to “mind or soul” and somatic refers to “body.” Thus, psychosomatic illnesses are physical illnesses caused by the soul. Dianetics is a methodology which can help a...