Using a mobile phone for more than 10 years increases the risk of getting brain cancer.
使用手机超过10年会增加患脑癌的风险。
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Other health effects: Scientists have reported other health effects of using mobile phones including changes in brain activity, reaction times, and sleep patterns.
其它健康影响：科学家报告了使用移动电话的其它健康影响，包括脑活动、反应时间和睡眠模式的改变。
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Epidemiological research examining potential long-term risks from radiofrequency exposure has mostly looked for an association between brain tumours and mobile phone use.