Drive to Curb Salt Intake Should Focus on China: Study

您每天吃多少鹽?研究稱(chēng)中國(guó)人食鹽攝入量嚴(yán)重超標(biāo)

　　Salt consumption exceeds national and World Health Organization guidelines in most countries, but only the highest-sodium diets, such as in China, are linked to clear health risks, researchers said.

　　大多數(shù)國(guó)家居民的鹽攝入量都超過(guò)了國(guó)家和世界衛(wèi)生組織指導(dǎo)量，不過(guò)研究人員表示，只有鈉含量非常高的飲食——例如中餐，明確與健康風(fēng)險(xiǎn)有關(guān)。

　　Only individuals with a daily salt intake of at least 12.5 grams – about two-and-a-half teaspoons – were associated with increased blood pressure and a greater risk of stroke, they reported in The Lancet, a medical journal.

　　研究發(fā)現(xiàn)，只有每日鹽攝入量達(dá)到12.5克(約兩茶勺半)以上的個(gè)體才伴有血壓增高、中風(fēng)可能性加大的危險(xiǎn)。該研究結(jié)果發(fā)表在醫(yī)學(xué)刊物《柳葉刀》上。

　　WHO recommends capping salt consumption at five grams per day, but this target is not known to have been achieved at a national level anywhere in the world, the survey of more than 90,000 people spread across 300 distinct communities in 18 countries found.

　　調(diào)查發(fā)現(xiàn)，盡管世衛(wèi)組織建議每日鹽攝入量不超過(guò)5克，但目前世界上還沒(méi)有哪個(gè)國(guó)家能達(dá)到這一目標(biāo)。超過(guò)9萬(wàn)人參與了這項(xiàng)調(diào)查，他們來(lái)自18個(gè)國(guó)家的300個(gè)不同社區(qū)。

　　“We should be far more concerned about targeting communities and countries with high average sodium intake – above five grams (equivalent to 12.5 grams of salt), such as China – and bringing them down to the moderate range” of 7.5 to 12.5 grams of salt, said lead author Andre Mente, a professor in the Population Health Research Institute at McMaster University in Canada.

　　研究報(bào)告的主要作者、加拿大麥克馬斯特大學(xué)人口健康研究所的安德烈·門(mén)特教授說(shuō)：“我們應(yīng)該更加關(guān)注平均鈉攝入量高的團(tuán)體和國(guó)家，即日均鈉攝入量超過(guò)5克(相當(dāng)于12.5克鹽)的國(guó)家，比如中國(guó)，應(yīng)將他們的攝入量降至適當(dāng)范圍內(nèi)，即日均攝入7.5克至12.5克食鹽�！�

　　One gram of sodium equals 2.5 grams of salt.

　　1克鈉相當(dāng)于2.5克食鹽。

　　Four-fifths of the groups examined in China had average daily salt intake of 12.5 grams, whereas in other countries 84 percent ingested between 7.5 and 12.5 grams.

　　在參與調(diào)查的中國(guó)人中，有五分之四日均鹽攝入量為12.5克，而其他國(guó)家84%的人日均鹽攝入量在7.5克至12.5克之間。

　　“Our study adds to growing evidence that, at moderate intake, sodium may have a beneficial role in cardiovascular heath, but a potentially more harmful role when intake is very high or very low,” he said in a statement.

　　安德烈·門(mén)特在聲明中表示：“我們的研究進(jìn)一步證明，在適量攝入的情況下，鈉對(duì)心血管健康有利，但是如果攝入量極高或極低的話，可能存在更為有害的影響�！�

　　The human body needs essential nutrients such as sodium and many vitamins, but the ideal amount remains subject to debate.

　　人體需要鈉和多種維生素等必要營(yíng)養(yǎng)物質(zhì)，但這些物質(zhì)的理想攝入量還沒(méi)有定論。

　　Most controversial was the suggestion that low sodium intake may, in fact, provoke heart disease.

　　研究認(rèn)為，低鈉攝入量實(shí)際上會(huì)引發(fā)心臟疾病，大多數(shù)爭(zhēng)議也正集中于此。

　　“There are no known mechanisms that could explain this observation,” commented Tom Sanders, professor emeritus of nutrition and dietetics at King’s College London.

　　他補(bǔ)充說(shuō)，還是要建議老年人控制鹽攝入量。

　　倫敦大學(xué)國(guó)王學(xué)院營(yíng)養(yǎng)學(xué)和飲食學(xué)榮譽(yù)教授湯姆·桑德斯評(píng)論稱(chēng)：“現(xiàn)有機(jī)制無(wú)法解釋這種觀察現(xiàn)象�！�

　　“Sodium is an essential nutrient but the requirement is very low at about 0.5 grams (1.25 grams of salt) per day.”

　　“鈉是一種必要營(yíng)養(yǎng)成分，但是需求量非常低，每天約0.5克(相當(dāng)于1.25克食鹽)。”

　　Ageing populations, he added, should still be advised to restrict the addition of salt to food.

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