骨密則骨堅。全在於牛奶對增高和增密的比例。研究對象很可能在長個時喝很多,長密時則減少了。從我觀察看大多西方人是這樣。
骨密則骨堅。全在於牛奶對增高和增密的比例。研究對象很可能在長個時喝很多,長密時則減少了。從我觀察看大多西方人是這樣。
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