研究：住臨街房可能患癡呆
Living near a busy road may raise risk of dementia, major study into pollution finds
Living near a main road increases the risk of dementia, the first major research into air pollution and disease has shown.
首項研究空氣污染與疾病關系的重要調查發現,住在主干道旁邊有可能增加患癡呆的風險.
A decade-long study of 6.6 million people, published in The Lancet, found that one in 10 dementia deaths in people living within 50 metres of a busy road was attributable to fumes and noise.
該研究時長超過十年,參與樣本超過660萬人并發表在醫學期刊《柳葉刀》上面.研究結果表明,在居住在嘈雜路段50米范圍內的癡呆癥死亡患者中,有十分之一的患者病因可歸因為尾氣和噪音.
There was a linear decline in deaths the further people lived away from heavy traffic.
結果表明,離車水馬龍的道路越遠,他們的死亡率越低,且呈直線下降.
Air pollution is already known to contribute to the deaths of around 40,000 people in Britain each year by exacerbating respiratory and heart conditions, while previous research showed emissions can cause brain shrinkage.
我們已經知道空氣污染可引起呼吸系統及心臟健康的惡化,每年造成近乎4萬英國人死亡.此前的研究還表明,尾氣排放會引起大腦萎縮.
But the new study by Canadian public health scientists is the first to find a link between living close to heavy traffic and the onset of dementia, a discovery described as "plausible" and "impressive" by British experts.
然而,加拿大公共健康方面的科學家們最新的研究,卻第一次找到住在馬路旁和患癡呆幾率上升之間的關系.這次發現被英國科學家們稱之為"可信的"及"令人震驚的".
Dr Hong Chen, the lead author from Public Health Ontario, said:
本次研究結果的首席作者、加拿大安大略省公共醫療局陳宏（音）博士表示：
"Our study suggests that busy roads could be a source of environmental stressors that could give rise to the onset of dementia."
"我們的研究結果表明繁忙的交通有可能成為一種加大患癡呆幾率的環境壓力源."
"Increasing population growth and urbanisation has placed many people close to heavy traffic, and with widespread exposure to traffic and growing rates of dementia, even a modest effect from near-road exposure could pose a large public health burden."
