Abstract
The marked accumulation of Ca (alkaliforming element) and P (acid-forming element) were recorded in a sclerotic part of an aorta, but the Ca/ P ratios were much smaller than those for healthy aortas and lumbar vertebra and were negatively correlated at p=5% with concentrations of Cd, Zn, and Si. The concentrations of the trace metals Zn, Pb, Cu, Ni, Sn, Mn, and Cd in particles suspended in the principal 169 Japanese rivers were markedly high in the Northeastern districts, where the SO4/ CaCO3 ratios in waters were large and the death rate from apoplexy was high. The Ca/P ratio is markedly smaller in acid foodstuffs, such as meat and cereal than in alkaline foodstuffs, such as vegetables and fruits. A positive correlation was observed (n=155, r=0.71) between the Zn and P contents, which are abundant in acid foodstuffs. In addition, the Zn content was also positively correlated with Cd (n=20, r=0.83). The amount of metals in the sclerotic aorta is positively correlated with the excess intake of trace metals as well as acid-forming substances, such as SO4 and P, from the biogeochemical environment.
Published Version
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