骨密则骨坚。全在于牛奶对增高和增密的比例。研究对象很可能在长个时喝很多,长密时则减少了。从我观察看大多西方人是这样。
骨密则骨坚。全在于牛奶对增高和增密的比例。研究对象很可能在长个时喝很多,长密时则减少了。从我观察看大多西方人是这样。
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