In the Danish study, the more fresh-faced people had longer telomeres.

在丹麦的研究中，气色越好的人端粒就越长。

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In the Danish study, single inhabitants with heart disease were more likely to be socially isolated and not see a doctor regularly.

那项丹麦研究中，患有心脏病的独居者更可能不爱社交，不会定期去看医生。

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But other scientists disagree, saying the Danish study excluded business users and included as non-users people who began using mobiles later on.

但还有其他的科学家并不赞同这种说法，他们说丹麦的这项研究排除了商业用户，并把刚开始使用手机的人列为非手机用户。

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Like all epidemiologic studies, the Danish study is not perfect, but its strengths should also be acknowledged.

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The Danish study is prospective in nature, which distinguishes it from most other studies on the health effects of cell phone use, which were case-control studies and enrolled subjects diagnosed with brain tumors and a comparison group of subjects who were free of brain tumors in order to compare reported cell phone usage in the two groups.

FORBES: Do Cell Phones Cause Brain Cancer? The Diehards Cling Desperately To Opinion

The Danish researchers repeated the study in 2004, and again last year, incorporating new data each time.

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