Search for: [Abstract = "Animal bone remains in most Mesolithic sites on the terrain of Poland are very often highly fragmented and burned. It seems that after having been burned they were ground or pulverised. Such state of bones suggests that Mesolithic man produced bone powder, which might have been consumed in order to supplement calcium level in diet. Calcium contents in water and nutritive products achievable in Mesolithic period was too low to cover the demand of the organism for this element. In medicine and veterinary there are also examples for use of untypical sources of calcium. From a general evaluation of a state of Mesolithic bone remains and probable calcium deficiency in diet we hypothesise that for Mesolithic man animal bones were a supplementary source of calcium"]

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