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The poorer mental function seen among alcoholics, many of whom also regularly smoke cigarettes, may be partially due to the long-term effects of nicotine, new research suggests. 
最新的研究結(jié)果顯示：尼古丁對人體神經(jīng)的長期影響在某種程度上是嗜酒成癮者智力下降的主要原因，因?yàn)樗麄冎泻芏嗳送瑫r(shí)也是老煙民。

"People who are also smokers are at a much higher risk," Dr. Jennifer M. Glass, of the University of Michigan's Addiction Research Center, said. 
“既喝酒又抽煙的人面臨更大的危險(xiǎn)，”密歇根大學(xué)上癮行為研究中心的詹尼弗-M-格拉斯博士說。

In her study, "cigarette smoking was negatively related to IQ and thinking," she said. 
她說：“在研究中發(fā)現(xiàn)抽煙對智商和思維能力有消極的影響?！?br />
This finding may seem counterintuitive , since many smokers attest to feeling more alert and focused after smoking. Indeed, research shows that improved mental functioning is one of the immediate effects of nicotine exposure. Chronic smoking, however, is known to have the opposite effect. 
這一發(fā)現(xiàn)似乎和我們的直覺正好相反，因?yàn)楹芏嗳硕加X得在抽完煙后反應(yīng)會更敏捷，注意力更集中。研究結(jié)果顯示，抽煙后確實(shí)會有短暫的意識功能增強(qiáng)，但這只是尼古丁釋放的短暫效果之一。然而，長期抽煙會產(chǎn)生相反的效果。

Studies show that up to 87 percent of alcoholics smoke cigarettes. Yet, few studies have looked into cigarette smoking as a factor that might explain the cognitive deficits reported among alcoholics. 
研究表明87%的“酒鬼”抽煙，但是，幾乎從來沒有人研究過抽煙可能是導(dǎo)致“酒鬼”意識缺陷的原因之一。

To investigate that association, Glass and her colleagues examined brain function among 172 men from the same community, including 103 men who abused alcohol. 
為了調(diào)查這之間的關(guān)系，格拉斯和她的同事們研究了來自同一社區(qū)的172名男性的大腦機(jī)能，其中有103人嗜酒成癮。

The team found that men with higher scores on the lifetime alcohol problems scale (LAPS) and those who reported a higher number of pack-years of smoking both had lower IQ scores. 
研究小組發(fā)現(xiàn)在終生飲酒問題表上得分較高的和那些年吸煙量越高的人，他們的智商往往比較低。

Upon further investigation, the researchers found that smoking also appeared to be independently associated with weaker verbal and visual-spatial reasoning.
經(jīng)過進(jìn)一步的調(diào)查研究，研究者們發(fā)現(xiàn)抽煙還會直接影響一個(gè)人的語言表達(dá)能力、形象化和空間推理能力。

Thus, though smoking did not account for all of the decreased neurocognitive functioning observed among the alcohol abusers, it did seem to account for some of the effects, the report indicates. 
因此，研究報(bào)告認(rèn)為，盡管抽煙并不是導(dǎo)致嗜酒成癮者神經(jīng)系統(tǒng)識別功能降低的全部原因，但確實(shí)有一定的影響。


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