This section is from the book "The Hygienic System: Orthotrophy", by Herbert M. Shelton. Also available from Amazon: Orthotrophy.
Supplying salt tablets to men in industry who are subjected to great and prolonged heat was extensively practiced for years. The same foolish practice was carried on by the U. S. Army during the recent murder-fest. Many industries have now abandoned the practice and are supplying their men with candy instead. Many men in the Army refrained from using their salt tablets and these report that they fared better than those who did eat the salt. The practice of giving men salt tablets when they are subjected to great heat has neither sense nor science to support it.
It was claimed by the U. S. Army medics that the use of salt by troops when subjected to hardships under extreme heat was to stabilize the amount of "natural" salt in the body. The use of salt by troops was to protect the men from sun-stroke, although many salt-eating soldiers did have sun-stroke when in high temperatures. One soldier wrote me: "I actually saw men fall on their faces from sunstroke, although they ate salt."
In view of the known facts that both man and animals can live and maintain the highest degree of health and development and live to advanced ages without salt, that salt is not metabolized in the body, but is excreted in the same form in which it is consumed, that salt exerts an inhibiting influence upon certain functions of life, and that inveterate salt eaters can discontinue its use abruptly and permanently, not only without harm, but with positive benefit, how can it longer be maintained that this irritant is necessary or beneficial? That the use of salt does not add to the pleasures of life, but does, on the contrary, detract from these, will be asserted by all who have given up its use.
 
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