I wouldn't doubt you were around in Paleolithic times.
Perhaps your memories have fossilized in the interval.
Stomach cancer is high in areas where marinated and salted foods are common fodder. Sodium in excess is notably absent in such primitive diets of which the Cretan diet is a close example.
"In summary, many of the components of the diet of Crete—fiber, natural antioxidants from wild plants, fruit, wine, olive oil, a low ratio of (n-6) to (n-3) ratio (consistent with the Paleolithic diet)—have been shown, when studied separately, to potentially prevent cancer initiation or metastasis, prevent angiogenesis and induce apoptosis
Such a dietary pattern has been shown to be beneficial to health because it is associated with a reduced risk of cardiovascular disease and cancer. The time has come for the initiation of intervention trials that will test the effect of specific dietary patterns in the prevention and management of patients with cancer."
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These statements and references would seem to refute the hypothesis that these diets contribute to stomach cancer.
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