Obesity can cut 19 years of health, 8 years of life

肥胖会折寿　还会剥夺健康生活，最近来自于加拿大麦吉尔大学（McGill University）研究团队利用美国国家卫生院所拥有的资料进行进一步分析发现，身体质量指数（BMI），介于25至29.9之间的人，预估会减少0至3年寿命，介于30至34.9之间的人，预估会少活0.8至5.9年。大于35的极度肥胖族群，则预估会减少0.9至8.4年。值得注意的是，肥胖所引发的糖尿病、高血压等慢性疾病，将会剥夺十九年不等的健康生活。如果这些超重个体在生命早期发展糖尿病或者心血管疾病，他们的健康寿命可能会缩短20年。此研究结果发表于《糖尿病和内分泌学》期刊上。

“通过与加拿大卡尔加里大学以及英属哥伦比亚大学的研究人员通力合作，我们的研究小组建立了一个电脑模型帮助医生和病人更好的了解体重超重将如何导致寿命缩短，以及较早发展心脏病和糖尿病。”研究首席作者、RI-MUHC临床流行病学家、麦克吉尔大学医学教授史帝文·格罗弗(Steven Grover)博士这样说道。

文章称“这些有临床意义的模型能够帮助病人以及他们的医疗保健专业人员更好的理解这些问题以及更健康的生活方式所带来的益处，而我们知道健康的生活方式对很多人来说是非常难采用和维系的”。

Despite the increased risk of cardiovascular disease and type 2 diabetes associated with excess bodyweight, development of a clinically meaningful metric for health professionals remains a challenge. We estimated the years of life lost and the life years lost from diabetes and cardiovascular disease associated with excess bodyweight.

Excess body weight could lower “healthy life years” by as much as 19 years, in addition to reducing life expectancy in certain demographics by as much as 8 years, new research published in Lancet Diabetes & Endocrinology suggests. “The pattern is clear: The more an individual weighs and the younger their age, the greater the effect of excess weight on health,” wrote Dr. Steven A. Grover and his coinvestigators at the Research Institute of the McGill University Health Centre, Montreal.

These results might help health professionals to more actively encourage weight loss in their overweight and obese patients, and also provide such patients with additional motivation to adhere to healthier lifestyles, Dr. Grover said.

Reference：

http://www.thelancet.com/journals/landia/article/PIIS2213-8587%2814%2970229-3/abstract

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