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I most certainly wasn't implying that anyone should take up smoking--just
passing on some interesting observations, the meaning of which isn't at all
clear.  I could even imagine that the correlation found might result from
some sort of personality trait that is genetically linked to the
susceptibility genes for celiac disease whereby celiac patients (as a group,
of course, not all individuals) are less drawn to cigarette smoking than the
population as a whole. Thus, there might not be an actual physiological
effect, although that is certainly also a possibility.
 
Don Kasarda
Albany, California