新奇事件簿 久坐不動(dòng)危害大

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If you spend most of your days sitting at school, work, at a computer or stretched out on a couch at home, you may be taking up to two years off your life. It is common knowledge that a sedentary lifestyle increases the risk of heart disease, type 2 diabetes, cancer and obesity, and can result in premature death. Many people think they can compensate for sitting around by walking, playing sports or going to the gym. Unfortunately, this might not be so. A new study just published in the journal 'Annals of Internal Medicine' suggests the effect on our longevity from sitting for long periods of time cannot be reversed through exercise. Even 60 minutes of daily exercise may not be enough.

如果你一天的大部分時(shí)間都在學(xué)校，工作地點(diǎn)，電腦前或是在沙發(fā)上坐著，那么你將有可能減少2年的壽命。眾所周知，久坐不動(dòng)的生活方式將增加你患心臟病、糖尿病、癌癥以及肥胖癥的危險(xiǎn)，并會(huì)造成早死的結(jié)果。許多人認(rèn)為走路、做運(yùn)動(dòng)或是去健身房能夠彌補(bǔ)久坐帶來(lái)的危害。但是情況卻不是這樣。剛剛在《內(nèi)科醫(yī)學(xué)年鑒》發(fā)表的一項(xiàng)新的研究表明，久坐對(duì)壽命的影響無(wú)法通過(guò)鍛煉來(lái)彌補(bǔ)。每天一個(gè)小時(shí)的鍛煉也是不夠的。

The study is from Dr David Alter and his colleagues at Toronto University. Dr Alter and his team analysed 47 studies that tracked different groups of people, who kept notes on how long they sat down each day and how much they exercised. They found that the most sedentary groups had a 24% increased chance of dying during the course of the study than the least sedentary ones. This remained the case even though those who sat a lot also did 60 minutes of daily exercise. Dr Alter writes: "Reducing your sit-down time by 2-3 hours each day by standing up at your desk, taking frequent breaks to stretch and walk, or watching TV…on your feet may be better than an expensive, crowded, smelly gym and be just what the doctor ordered."

這項(xiàng)研究是多倫多大學(xué)的大為·奧爾特博士和同事所做的研究。奧爾特博士和他的團(tuán)隊(duì)對(duì)不同人群組進(jìn)行了47項(xiàng)研究，他們對(duì)被調(diào)查者每天久坐以及鍛煉的時(shí)間進(jìn)行了記錄。他們發(fā)現(xiàn)久坐時(shí)間最長(zhǎng)的一組死亡的概率比久坐時(shí)間最短的人群高出了24%。盡管久坐人群每天還會(huì)拿出一小時(shí)的鍛煉時(shí)間，但是結(jié)果是一樣的。奧爾特博士寫到：“每天減少2-3小時(shí)的久坐時(shí)間，你可以站在桌子旁，多休息，伸伸腰腿，或是進(jìn)行走路，站著看電視，這比價(jià)格昂貴，人群擁擠，臭氣熏天的健身房要好很多，這就是醫(yī)生希望你去做的。”