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Linda Blanchard <wrote:

>        I had been hoping for a test capable of diagnosing the
> disease while on a gluten-free diet. I know there is one of these in
> testing (I believe it's called a "rectal challenge" which probably tells
> you more than you want to know about it).

Nope. The rectal challenge test only works when a celiac is consuming
gluten, and for maybe four months afterwards. Then like all the other tests
currently in use it is of no use. This was discussed by Mike Marsh, the
test developer, at the CCA conference in Calgary last May.

Don.