Objective To explore the effect of calcium supplementation on bone mineral density(BMD)in Chinese young women and to identify the adequate calcium intake level.

目的探讨不同钙摄入量对我国青年女性全身及各部位骨密度的影响，为进一步研究制定我国居民钙的适宜摄入量提供科学依据。

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This is not adequate evidence to show that vitamin D deficiency causes diabetes nor that vitamin D supplementation is a legitimate treatment for diabetes.

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