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["Jerry W. Shepperd" <shepperd AT mail.austincc.edu>]

At 07:33 PM 6/27/2006, Gene GeRue wrote:

> >The World Health Organization cites several large-scale studies that
> >show an inverse correlation between water hardness and cardiovascular
> >disease.  One should remember, however, that correlation is not the
> >same thing as causation.
>
> I think it is the particular mineral that makes it good or bad. Is it
> selenium that has made certain areas famous for lower incidence of
> heart disease?

The studies mentioned by the WHO cite calcium and magnesium.

Jerry