Medical experts warn that they can damage the kidneys.

医学专家提醒这些重金属会对肾脏造成伤害。

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Manufacturers of many popular cell phones already warn consumers to keep their device away from their body and medical experts say there other ways to minimize cell phone radiation.

许多著名手机制造商已经开始警告消费者注意保持手机和身体的距离，医学专家还提到其他将手机辐射降到最低的方法。

youdao

Manufacturers of many popular cell phones already warn consumers to keep their device away from their body and medical experts say there other ways to minimize cell phone radiation.

CNN: WHO: Cell phone use can increase possible cancer risk