丹麦去年公布的另一项研究表明，七岁儿童体重越大，就会越早进入青春发育期。
Another Danish study published last year showed that the heavier children were at seven, the earlier they entered puberty.
然而大量研究表明，在很多国家牛奶内的碘含量依然很高，其中包括：美国、英国、丹麦、挪威和意大利。
Nevertheless, various studies have shown there is still a significant level of iodine in milk in several countries, including the U.S., Britain, Denmark, Norway and Italy.
据世界卫生组织介绍，这项在英国和丹麦进行的研究表明，每天进行适度的锻炼，甚至是做家务活都能让人的寿命延长5年。
According to the World Health Organisation, research carried out in Britain and Denmark shows that gentle work-outs and even housework every day can boost life spans by as much as five years.
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