>Does anyone have any knowledge of the validity of all this?

        Similiar book, Your Body Knows Best- Gitttleman.  Japan is making quite a
study of how blood types affect the health.  Type O s are more likely to
have duodenal ulcers (that's me) and A s are more likely to have gastric
ulcers.  I can attest to the fact that I feel better on a grain and dairy
free diet.  I bet if we polleds this list, we would find many O s.

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        Middle-aged American women who eat a lot of starchy
        foods have an increased risk of diabetes.
                JAMA 277:472 Feb.1997

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