长达15年研究证实!散步、做家务“健康益处”惊人
2018/01/28
对很多人来说,坚持运动真的是一件十分困难的事!现在,科学家告诉你,只需通过散步或做家务就能带来惊人的健康益处,你愿意试试吗?最新发表的一项研究称,每天用低强度运动代替半小时的久坐,可以使死于心血管疾病的风险降低24%。

图片来源:网络

几乎大家都知道,适度、高强度的体育锻炼能够降低患心血管疾病的风险,但对于低强度运动的益处,目前一直还没有得到证实。

 

DOI:https://doi.org/10.2147/CLEP.S151613

1月25日,最新发表在Clinical Epidemiology 上的这一研究中,科学家们分析了1,200名参与者“不同水平的身体活动”对“15年后由心血管疾病导致的死亡率”的影响。具体数据来自一项名为ABC(Attitude, Behaviour and Change)的研究。参与者的活动水平通过运动追踪器进行测量。之后,研究人员将这些数据与“死亡和死亡原因相关的数据”进行了比较。

研究还对其他潜在的混杂因素进行了调整,如年龄、性别、吸烟习惯、教育程度和以前的发病率。结果显示,每天用低强度运动代替半小时的久坐,可以使死于心血管疾病的风险降低24%;而用中度水平或更强烈的身体活动代替久坐,就如预期的那样,对与心血管疾病相关的死亡率有更大的影响。

据研究人员估算,每天10分钟的中度或强烈身体活动能使“因心血管疾病的死亡风险”降低38%;每天30分钟,能使该风险降低77%。

论文的第一作者Ing-Mari Dohrn说:“在之前的一项研究中,我们还发现,每天静坐超过10小时的人比每天静坐时间少于6.5小时的人早逝(early death)的风险高2.5倍。”

总结来说,该研究强调了低强度运动对健康的重要影响。领导该研究的Maria Hagströmer表示:“这是一项独特的研究,因为我们分析了大量被客观测量身体活动水平长达15年的参与者。而之前的研究,主要是通过‘问的形式’来了解参与者的运动状况,这可能会带来一些错误,因为,想要准确记住一个人坐或四处走动的时间是非常困难的。”

行文到此,其实,关于运动的其他好处,小编在《2017年里,这9篇论文都证实:运动有益健康》一文中有着更详细的总结。希望在新年伊始,小伙伴们都能为自己的健康定下一些“小目标”!

参考资料

Everyday exercise has surprisingly positive health benefits

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  • Accelerometer-measured sedentary time and physical activity—A 15 year follow-up of mortality in a Swedish population-based cohort

    Objectives To investigate the associations of objectively assessed sedentary time, light intensity physical activity (PA), moderate to vigorous intensity PA (MVPA), and total PA with all-cause mortality and mortality from cardiovascular disease (CVD) or cancer in a Swedish population-based cohort with 15 years follow-up time. Design Longitudinal prospective cohort study. Methods Data from 851 persons (56% women) ≥35 years at baseline were included. Primary exposure variables were time (min/day) spent sedentary, in light intensity PA and in MVPA, and total counts from an Actigraph 7164 accelerometer. Data on all-cause mortality and mortality from CVD or cancer were obtained from Swedish registers. Cox proportional hazards models estimated hazard ratios (HR) of mortality with 95% confidence intervals (CI). Results Compared with the least sedentary participants, those in the most sedentary tertile had an increased risk of all-cause mortality, HR: 2.7 (1.4, 5.3), CVD mortality, HR: 5.5 (1.4, 21.2) and cancer mortality, HR: 4.3 (1.2, 16.0). For all-cause mortality, those in the highest light intensity PA tertile had a HR 0.34 (0.17, 0.67) compared with the lowest tertile. A similar pattern was found for CVD and cancer mortality. More time spent in MVPA was associated with the largest risk reduction for CVD mortality, with an almost 90% lower risk in the tertile with the most time in MVPA. Conclusions This study confirms a strong inverse relationship between MVPA and mortality, and adds new insight for the understanding of the associations between sedentary time and light intensity PA and mortality.

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