’How exercise in old age prevents the immune system from declining

80岁老人竟能拥有20多岁的免疫系统!秘诀是什么
时间:2018-03-13 单词数:3570

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导读:《衰老细胞》(Aging Cell)杂志最新发布的一项研究显示,做大量运动可以有效防止人的免疫力下降,增强对感染及癌症等疾病的抵抗能力。常年运动的80岁老人的免疫系统竟可以相当于20多岁!

运动是增强免疫力的秘诀_英语新闻

Doing lots of exercise in older age can prevent the immune system from declining and protect people against infections, scientists say.

科学家称,在年龄较大的时候进行大量运动可以防止免疫系统衰退并保护人们免受感染。

They followed 125 long-distance cyclists, some now in their 80s, and found they had the immune systems of 20-year-olds.

他们跟随了125名长途骑行运动员,其中一些人现在已经80多岁,但发现他们拥有20岁的免疫系统。

Prof Norman Lazarus, 82, of King’s College London, who took part in and co-authored the research, said: "If exercise was a pill, everyone would be taking it.

伦敦国王学院82岁的Norman Lazarus教授参与并合作撰写了该研究报告,他说:“如果运动是一种药物,每个人都会服用。”

"It has wide-ranging benefits for the body, the mind, for our muscles and our immune system."

“它对身体,精神,肌肉和我们的免疫系统都有广泛的好处。”

The research was published in the journal Aging Cell.

该研究发表在《老龄细胞》期刊上。

Prof Janet Lord, director of the Institute of Inflammation and Ageing, at the University of Birmingham, and co-author of the research, said: "The immune system declines by about 2-3% a year from our 20s, which is why older people are more susceptible to infections, conditions like rheumatoid arthritis and, potentially, cancer.

伯明翰大学炎症与衰老研究所所长兼该研究合作者Janet Lord教授说:“免疫系统从20多岁开始每年下降2-3%,这就是为什么老年人更容易感染和得病,如风湿性关节炎和潜在的癌症。

"Because the cyclists have the immune system of a 20-year-old rather than a 70- or 80-year-old, it means they have added protection against all these issues."

“因为骑自行车的人拥有20岁的免疫系统而不是70或80岁,这意味着他们已经为所有这些问题做好了预防。”

The researchers looked at markers in the blood for T-cells, which help the immune system respond to new infections.

研究人员观察了血液中的T细胞标志物,该细胞有助于免疫系统对新感染作出反应。

These are produced in the thymus, a gland in the chest, which normally shrinks in size in adulthood.

这些产生于胸腺中,胸腺中的腺体,通常在成年期缩小。

They found that the endurance cyclists were producing the same level of T-cells as adults in their 20s, whereas a group of inactive older adults were producing very few.

他们发现耐力型自行车运动员在20岁时产生的T细胞水平与成年人相同,而一群不活跃的老年人产生极少T细胞。

The researchers believe that being physically active in old age will help people respond better to vaccines, and so be better protected against infections such as flu.

研究人员认为,在老年时期积极锻炼会帮助人们对疫苗做出更好的反应,从而更好地预防流感等感染。

Steve Harridge, co-author and professor of physiology at King’s College London, said: "Being sedentary goes against evolution because humans are designed to be physically active.

伦敦国王学院的合着者兼生理学教授Steve Harridge说:“久坐不利于进化,因为人类就是身体活跃而设计的。”

"You don’t need to be a competitive athlete to reap the benefits - or be an endurance cyclist - anything which gets you moving and a little bit out of puff will help."

“你不需要成为一名有竞争型运动员或耐力型自行车手而获得运动的好处,任何能够让你运动的事情都会有所帮助。”

Prof Harridge and Prof Lazarus believe that highly physically active older people represent the perfect group in which to analyse the true effects of biological ageing.

Harridge教授和Lazarus教授认为,身体活跃的老年人是分析生物老化真实情况的理想群体。

来源:BBC爱语吧作者:Sylvia

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