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维生素 A 过多症有时与钙代谢和骨矿物质状态异常有关。最新一项研究发现膳食维生素 A 摄入水平与骨密度(BMD)之间呈负相关。一部分美国人禁食后血清维生素 A 酯的浓度较高,这是一个
Vitamin A is sometimes associated with abnormal calcium metabolism and bone mineral status. The latest study found a negative correlation between dietary vitamin A intake and bone mineral density (BMD). Some Americans have higher concentrations of fasting serum vitamin A esters, which is one