摘要：
瑞典科学家31日公布的一项研究结果显示，长期使用手机的确会增加一个人罹患脑肿瘤的危险，这一说法截然不同于此前进行的其它同类研究所得出的结论。
The use of mobile phones over a long period of time can raise the risk for brain tumors, a new Swedish study said on Friday, contradicting the conclusions of other researchers.

瑞典科学家31日公布的一项研究结果显示，长期使用手机的确会增加一个人罹患脑肿瘤的危险，这一说法截然不同于此前进行的其它同类研究所得出的结论。

据路透社3月31日报道，瑞典国家职业卫生研究所的研究人员对905名已经被确诊的脑部恶性肿瘤患者的手机使用情况进行了跟踪研究。是迄今为止对长期使用手机者所做的历次研究中规模最大的一次。

研究结果发现，频繁使用手机的人（一生中拨打或接听手机时间总合达2000小时甚至更长），平常用来使用手机的那一侧大脑出现恶性肿瘤的可能性会增加240％。研究负责人谢尔·米尔德说："使用免提装置可以降低这种危险。"

去年，荷兰健康委员会就世界各地与此有关的研究进行了一次总结，结果发现没有证据表明手机及电视信号发射塔所发出的辐射会对人体造成伤害。英国也曾就这一问题进行过一项为期4年的调查，从今年1月公布的调查结果来看，在那些长期且有规律的手机使用者与几种最常见的脑肿瘤之间并不存在任何联系。

（国际在线独家资讯 张咏）

The use of mobile phones over a long period of time can raise the risk for brain tumors, a new Swedish study said on Friday, contradicting the conclusions of other researchers.

The Dutch Health Council, in an overview of research from around the world, last year found no evidence radiation from mobile phones and TV towers was harmful. A four-year British survey released in January showed no link between regular, long-term use of cell phones and the most common type of tumor.

However, researchers at the Swedish National Institute for Working Life said they looked at the mobile phone use of 905 people between the age of 20 and 80 who had been diagnosed with a malignant brain tumor and found a link. 　

"A total 85 of these 905 cases were so-called high users of mobile phones, that is they began early to use mobile and, or wireless telephones and used them a lot," the study said.

"The study also shows that the rise in risk is noticeable for tumors on the side of the head where the phone was said to be used," it added.

Kjell Mild, who led the study, said the figures meant that heavy users of mobile phones, for instance of who make mobile phone calls for 2,000 hours or more in their life, had a 240 percent increased risk for a malignant tumor on the side of the head the phone is used.

"The way to get the risk down is to use handsfree," he told Reuters.

He said his study was the biggest yet to look at long-term users of the wireless phone, which has been around in Sweden in a portable form since 1984, longer than in many other countries.

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