AJCN:超重人群想要保护心血管健康——节食 or 锻炼身体?

2016-08-26 MedSci MedSci原创

下面哪一项能够更好地改善那些超重人群的心血管健康——节食,锻炼或二者结合?圣路易斯大学的一项研究发现,无论你选择哪一种策略,都是可以让你减肥的秘诀。 “对于超重的男性和女性,不管减肥是通过运动实现,还是通过健康的低热量饮食,或者两者同时进行来实现,适度减肥可以强有力的对抗心血管疾病,”该文章的第一作者,圣路易斯大学的营养学副教授Edward Weiss博士说。他的研究结果发表在美国临床营

下面哪一项能够更好地改善那些超重人群的心血管健康——节食,锻炼或二者结合?圣路易斯大学的一项研究发现,无论你选择哪一种策略,都是可以让你减肥的秘诀。

“对于超重的男性和女性,不管减肥是通过运动实现,还是通过健康的低热量饮食,或者两者同时进行来实现,适度减肥可以强有力的对抗心血管疾病,”该文章的第一作者,圣路易斯大学的营养学副教授Edward Weiss博士说。他的研究结果发表在美国临床营养学杂志(American Journal of Clinical Nutrition)上。

对于该项研究,Weiss和他的团队将52名超重的中年男性和女性分成三组——节食组,锻炼组或二者同时进行组,他们控制这些参与者在12-14周期间减掉7%左右体重。那些只进行节食或锻炼的参与者被告知减少20%的食物摄入量,或增加20%的活动水平。那些既节食又锻炼的参与者被告知减少10%的食物摄入量,并增加10%的活动水平。

研究人员分析了这些变化如何影响心血管健康指标,如血压,心率和其他心脏疾病和卒中标志物,如高水平的“坏”胆固醇

他们发现这三种策略对于改善心血管健康同样有效,并有望降低人一生患心血管疾病10%的风险——从46%降至36%。

Weiss观察到,虽然同时进行节食和锻炼并不比单独进行节食或锻炼的效果更好,但他的研究并没有允许减肥改善心脏健康的人去吃高热量的垃圾食品或久坐不动。他提倡结合健康饮食和锻炼作为首选策略来保护心脏健康。

“由于我们以前的研究和其他的研究指出,运动和饮食都提供了独特的健康益处,但要认识到饮食和锻炼对于健康长寿都是很重要的,”Weiss说。

“虽然我们的研究中没有发现热量限制和运动对心血管疾病的传统危险因素的额外好处,但很多患心血管疾病的实际风险不能由传统危险因素计算。因此,我们的研究结果并不排除节食和锻炼对于降低心血管疾病可能性的额外效果。此外,不活动的生活方式本身就是心血管疾病的危险因素,尽管这种效果的生理机制是未知的。”

原始出处:



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    2016-09-25 1e10c84am36(暂无匿称)

    文章很好值得关注

    0

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    2016-09-11 1e10c84am36(暂无匿称)

    己拜读,受益匪浅

    0

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    2016-08-30 大旺旺

    学习了啊

    0

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    2016-08-28 lsndxfj
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    2016-08-28 李东泽

    这篇资讯带给我们新知识,启发新思维,不论是科研还是临床工作都有很大的帮助。。。

    0

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一项以人群为基础的研究结果显示,超重的瑞典男性青少年患严重肝脏疾病的风险增加,如肝硬化。瑞典卡罗林斯卡大学医院消化疾病中心的Hannes Hagström博士对1969-1970年征兵门诊就诊的44248名瑞典人进行了研究,所有男性基线年龄18-20岁。男性进行健康检查、个人访谈和吸烟、饮酒、药物使用和健康相关的问卷调查。研究人员还测量参与者的BMI,并试图确定BMI和截止2009年底失代偿性肝病

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体重过重可能会使你的生活压力变大。科学家说超重的人会比预期早死一年,中度肥胖的人会过早死三年。医生们早就警告说,超重会导致健康并发症包括心脏病,中风和癌症等,先前的研究已经发现,多余的重量会缩短你的寿命,该研究的数据主要是来自欧洲和北美州。在新的研究中,研究人员称这是有史以来最大的分析,研究人员筛选了从1970年到去年的32个国家近400万名不吸烟的成年人的数据。他们将人们的体重指数和死亡的风险进

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