研究發現超重的老年人較長壽

研究發現超重的老年人較長壽
Study finds overweight seniors live longer
Sat, 30 Jan 2010 13:03:21 GMT

Individuals who carry a few extra pounds after the age of 70 tend to live longer than their normal-weight peers, a new study finds.
個別人仕在七十歲後有多額外幾磅，會比正常體重的同齡人活得較長久，一項新的研究發現。
According to the study published in the Journal of the American Geriatrics Society, overweight seniors with no underlying disease such as diabetes or osteoarthritis, caused or exacerbated by carrying extra pounds, have a higher survival rate that normal weight individuals.
根據發表在美國老人社會雜誌內的研究，沒有潛在疾病的超重老年人，如糖尿病或關節炎造成或加劇增磅，比正常體重的人有較高的生存率。
The risk of death is reported to be 17 percent lower in these individuals, the study found.
這些人的死亡風險據報是低17%，研究發現。
Sedentary lifestyles shorten the lifespan of seniors regardless of their weight, doubling the risk of mortality for women and increasing it by 28% for men.

Scientists concluded that the widely accepted body mass index (BMI) guidelines are not useful after the age of 70, stressing that underweight elderly are more prone to death.
科學家結論認為，被廣泛接受的身體質量指數（BMI）的指引對70歲後的人是沒有用，強調體重不足的老年人更容易死亡。
"This is important since under-nutrition is an important problem in older people," said Kay-Tee Khaw from Cambridge University.
“這是重要的因為在老年人中，營養不足是一個重要的問題。”劍橋大學的裘基迪說。
PKH/HGH

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