There have been fears that cancer could be triggered by the brain's exposure to electromagnetic radiation emitted from mobile handsets held to the ear.
曾经人们很担忧，由于手机听筒接近耳朵，使大脑长期暴露在电磁辐射之下，有可能会引发癌症。
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Scientists have focused on the potential risk of brain cancer when phones are held against the user's ear.
科学家一直把目光集中在手机使用者得脑癌的潜在危险，因为手机一般是被拿到耳朵旁边的。
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The cat, Charlie, 14, was dubbed Voldermog by staff at a Southampton rescue centre because his ear tips and nose were removed after sunburn caused skin cancer to develop.