Medical studies have proved that cadmium can cause itai-itai disease after it enters human bodies.

医学研究已经证明，镉进入人体后可引起骨痛病。

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In Japan during the late 1960s, an outbreak of itai-itai disease, or "ouch, ouch" disease, was traced back to cadmium after it poisoned people and softened their bones.

WSJ: Cadmium-Tainted Rice Found in Guangzhou

In Japan during the late 1960s, an outbreak of the "itai itai" disease, or "ouch, ouch" disease, was traced back to cadmium after it poisoned people and softened their bones.

WSJ: Cadmium-Tainted Rice Found in Guangzhou