《英国医学杂志（BMJ）》今天发表的一项来自挪威的随机对照试验表明，运动强度似乎对老年人的死亡率没有影响。对70岁以上的成年人进行体育锻炼的效果进行了评估。遵循挪威体育活动指南的对照组（4.7%，37名参与者）和HIIT（high intensity interval training，高强度间歇训练）和MICT（moderate intensity continuous training，中等强度的持续训练）联合组（35名参与者，4.5%）之间的全因死亡率没有差异。

研究人员写道：“这项研究表明，与推荐的体力活动水平相比，MICT和HIIT联合应用对全因死亡率没有影响。”

Exercise intensity not linked to mortality risk in older adults, finds trial

https://www.sciencedaily.com/releases/2020/10/201007193656.htm

Dorthe Stensvold, Hallgeir Viken, Sigurd L Steinshamn, Håvard Dalen, Asbjørn Støylen, Jan P Loennechen, Line S Reitlo, Nina Zisko, Fredrik H Bækkerud, Atefe R Tari, Silvana B Sandbakk, Trude Carlsen, Jan E Ingebrigtsen, Stian Lydersen, Erney Mattsson, Sigmund A Anderssen, Maria A Fiatarone Singh, Jeff S Coombes, Eirik Skogvoll, Lars J Vatten, Jorunn L Helbostad, Øivind Rognmo, Ulrik Wisløff. Effect of exercise training for five years on all cause mortality in older adults—the Generation 100 study: randomised controlled trial. BMJ, 2020; m3485 DOI: 10.1136/bmj.m3485