As my uncle, Edward Wallerstein, would say, "It is difficult to clean behind your ears, but nobody advocates cutting off your ears." Was circumcision in biblical history a real estate deal? Wiswell's study was retrospective. It would be important to consider how long a diaper is left on with a baby sitting in feces. How were the babies in the study cleaned when the diaper was changed? There are so many variables that his results are not very convincing.

Louise Gordon, M.D.

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