Differences in intracortical bone remodeling in three aboriginal American populations: Possible dietary factors

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Abstract
Cross sections of intracortical bone revealed differences among three early American populations—Eskimo, Arikara, and Pueblo—in the frequency of a form of remodeling called, here, type II. This remodeling appears to occur exclusively within the walls of haversian canals of well-mineralized osteons. The populations are known to have differed in their nutrition. The Eskimo, with a high-protein diet, exhibited the most frequent type II remodeling, whereas the Pueblo, with a low-protein diet, showed the least. Type II remodeling probably reflects the physiological state of the group. Variation in frequency of classic intracortical bone remodeling was not apparent.