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Hi All,
First, I'd like to thank Laura for her insightful discussion of the
Lancet article. Her comments make a lot of sense.

On the other hand, there is an interesting report suggesting that
hypertension may be the result of  dietary  salt deficiency :

Huang Y "Sodium Chloride and Hypertension" _Medical Hypotheses_
1997; 49(3): 221-228

The article provides some interesting data and arguments.

I'm not suggesting it is correct. I don't know. But I do find it
a fascinating challenge to the dominant paradigm.  These variations
in perspective are difficult for people who have to make a choice,
sometimes betting their life on that perspective.