The trend was found to be dominant in the under 45s, where the proportion of men with a body mass index over 35, and of women with a BMI of over 40, has grown two-fold during the decade.

这一趋势在45岁以下的人群中尤为明显，体重指数超过35的男性比例及超过40的女性比例在十年中都上升了两倍。

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According to some studies, that may be because men who look like George Clooney are more likely to have dominant social roles, better genes and stronger immune systems.

按照这些研究的话讲，原因可能是这些男人长得像George Clooney，所以他们拥有社会统治地位的几率就大，也具有更良好的基因和更强壮的免疫系统。

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Dr Havlicek and his colleagues were interested in discovering whether women are attracted by the smell of dominant men.

ECONOMIST: Odour and mating preferences

Those who were ovulating rated the "dominant" men as sexiest, but there was no similar pattern among women at other stages of their menstrual cycle.

BBC: NEWS | Health | Woman's scent can lure or repel

Studies showed that during periods of high fertility, women are more drawn to more rugged, dominant-looking men.

CNN: Beholding beauty: How it's been studied