Researchers believe that severe fear reactions suffered in childhood cause a certain mental disorder. A new discovery shows that the disorder is really caused by the lack of a specific enzyme. The disorder will now change in classification from what to what?

A) somatogenic to psychogenic
B) hysterical to psychoanalytic
C) psychoanalytic to pathological
D) psychogenic to somatogenic

Specific Enzyme

A protein that catalyzes a particular chemical reaction within the body or any biological system with high specificity for its substrate.

Mental Disorder

A health condition characterized by altered thinking, mood, or behavior associated with distress or impaired functioning.

Severe Fear

An intense feeling of dread or apprehension, often in response to a particular object, place, or situation perceived as extremely threatening.