据说,每一个胖子都是潜力股。潜力什么时候被开发我不知道,但“近胖者胖”却很有可能先一步成为大家真实面临的“危机”。
身边有着胖友的小伙伴们,别再沾沾自喜,觉得对比之下自己还挺瘦啦!科学依据表明,被胖子包围的你,很有可能成为下一个胖子。
1
什么是“胖”
BMI,也就是我们经常听说的身体质量指数,国际上常用这个指标来衡量人的肥胖程度和健康程度,BMI计算公式是体重/身高的平方。
虽然有很多人叫屈,觉得BMI不准,但它简单呀!因此,BMI仍然是大家讨论体重和肥胖问题时的重要指标。
WHO规定,亚洲人BMI达到25以上,就可以算肥胖,它还有一套专门适用于中国的参考标准,对我们来说,BMI超过27,就要注意控制自己的体重了!
Body mass index (BMI) is a value derived from the mass (weight) and height of a person.
身体质量指数(BMI)是根据一个人的体重和身高得出的值。
BMI has been criticized as sometimes misclassifying an individual as obese or overweight when he or she is muscular, because it cannot distinguish adipose tissue from muscle, bone, and other lean body mass. Nevertheless, BMI is a convenient measure, particularly because it rescales to a fairly consistent metric across ages.
常常有人质疑BMI,因为当一个人肌肉发达时,它经常不能准确地区分他/她是肥胖还是超重,因为它不能区分脂肪组织与肌肉、骨骼、其他瘦体重。然而,BMI是一项方便的测量方法,特别是因为它在不同年龄范围内重新建立了相当一致的指标。
Commonly accepted BMI ranges are underweight: under 18.5 kg/m2, normal weight: 18.5 to 25,overweight: 25 to 30, obese: over 30.
普遍认可的BMI范围是,偏瘦:18.5kg/m2,正常:18.5至25,超重:25至30,肥胖:超过30。
2
胖,是一种不可控的传染病。2007年,哈佛大学医学院就通过一项30年的追踪研究发现,如果你的朋友、兄弟姐妹、配偶是胖子,都会增加你变胖的可能性。
The prevalence of obesity has increased substantially over the past 30 years. We performed a quantitative analysis of the nature and extent of the person-to-person spread of obesity as a possible factor contributing to the obesity epidemic.
在过去30年中,肥胖症的患病率显著增加。我们对肥胖在人与人之间传播的性质和程度进行了定量分析,认为这是一个可能导致肥胖流行的因素。
We evaluated a densely interconnected social network of 12,067 people assessed repeatedly from 1971 to 2003 as part of the Framingham Heart Study. We used longitudinal statistical models to examine whether weight gain in one person was associated with weight gain in his or her friends, siblings, spouse, and neighbors.
作为弗雷明汉心脏研究的一部分,我们在1971到2003年间评估了一个由12067人组成的紧密相连的社会网络。我们使用纵向数据模型来检验一个人的体重增加是否与他或她的朋友、兄弟姐妹、配偶和邻居的体重增加有关。
A person' s chances of becoming obese increased by 57% (95% confidence interval [CI], 6 to 123) if he or she had a friend who became obese in a given interval. Among pairs of adult siblings, if one sibling became obese, the chance that the other would become obese increased by 40% (95% CI, 21 to 60).
一个人如果有一个在给定区间内属于肥胖的朋友,那么他/她的肥胖几率增加了57%。在成年的同胞兄弟姐妹中,如果一个人变胖,另一个会变得肥胖的几率就增加了40%。
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