A study by the World Health Organization last year found that people who have used cell phones for at least ten years may be at greater risk for a rare brain tumor.
A study by the World Health Organization last year found that people who have used cell phones for at least ten years may be at greater risk for a rare brain tumor.
去年世界卫生组织的一份研究发现使用移动电话至少十年的人群患脑瘤的几率大大提高.