Toxicologist: A survey of oil-refinery workers who work with MBTE, an ingredient currently used in some smog-reducing gasolines, found an alarming incidence of complaints about headaches, fatigue, and shortness of breath. Since gasoline containing MBTE will soon be widely used, we can expect an increased incidence of headaches, fatigue, and shortness of breath.
Headaches, fatigue, and shortness of breath are among the symptoms of several medical conditions that are potentially serious threats to public health strengthens the toxicologist's argument EXCEPT.