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Don Kasarda posted "...cigarette smoking, or a factor closely linked to it,
seems to exert a major protective effect against the development of
symptomatic adult onset coeliac disease.  The implication is that gliadin
exposure is not the only important environmental factor involved in the
pathogenesis of this condition."
 
Irregardless of this finding, I would think long term studies would be
impossible to do as test patients died from  other health complications
of cigarette smoking. One would be hard pressed to find any qualified
medical professional to extol the virtues of smoking cigarettes. The
detrimental and oftentimes fatal health risks of cigarette smoking is
one of the major causes of death in America. Enough said.
Fran Gillespie, Oregon