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科普中国 on MSN
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一个让骨头越来越脆的习惯,很多人每天都在做
为了补钙,中国人能有多拼? 喝骨头汤。吞下大大的钙片。晒太阳。 为了老了还健步如飞,大家想尽一切办法补钙。还有同事说,小时候,她妈为了给她补钙,不知从哪儿听来的法子:把鸡蛋壳捣碎拌进饭里给她吃。
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