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Itai-Itai disease in human beings is caused due to which of the following?

  • A.Mercury
  • B.Cadmium
  • C.Arsenic
  • D.Nitrate

Answer: B

Itai-itai disease is caused by cadmium.

The disease appeared in the Jinzu river basin of Toyama, Japan, where mining waste contaminated rice fields with cadmium. Chronic cadmium poisoning damaged the kidneys and softened the bones, causing severe pain, the 'itai-itai' (ouch-ouch) of the name.

Mercury caused Minamata disease, arsenic causes arsenicosis, and nitrate causes blue baby syndrome.

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