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Introduction
In order to study the possibility of greater nutritive value in foods produced high elevation, as indicated by a lowere incident of morbidity, including tooth decay, i went to switzerland and made studies in two successive years. It was my desire to find groups of swiss living in the physical environment such that their isolation would compel them to live largely on locally produced foods. The people of this valley have a history covering more than a dozen centuries. They are always expressive of devotion to culture and spiritual us rather than material values. These people have never been conquered, although many efforts have been made to invade their valley.