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Not until the mid-1950's (in Japan) did people begin to notice a "strange disease". Victims were diagnosed as having a degeneration of their nervous systems. Numbness occurred in their limbs and lips. Their
speech became slurred, and their vision constricted. Some people had serious brain damage, while others lapsed into unconsciousness or suffered from involuntary movements. Furthermore, some victims were thought to be crazy when they began to uncontrollably shout.

People thought the cats were going insane when they witnessed "suicides" by the cats. Finally, birds were strangely dropping from the sky. in July 1959, researchers from Kumamoto University
concluded that organic Mercury (in fish) was the cause of the "Minamata Disease".

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What is the danger of Mercury in food?

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Minamata disease was not named for the Mad Hatter. It was referred to as "Mad hatter disease" in a several Japanese government reports. Both conditions are a result of mercury poisoning; however, the method of poisoning is different. Minamata disease is actually named for a city in the Kumamoto region of Japan. In 1956, it was discovered that a Chisso Corporation chemical factory had been dumping polluted wastewater since 1932. The local population had unknowingly consumed massive quantities of mercury through fish and shellfish. Mad hatter disease (and the phrase "mad as a hatter") occurs after inhaling the poisonous mercury fumes created by the process of curing animal skins.


Minamata disease what symptoms did humans exhibit?

The disease is characterized by peripheral sensory loss, tremors, dysarthria, ataxia, and both hearing and visual loss.


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Minamata Disease is caused by eating fish contaminated by what pollutant?

Mercury is the pollutant responsible for causing Minamata Disease when consumed in contaminated fish. Mercury bioaccumulates in fish, especially in large predatory species, through the food chain. When humans consume fish contaminated with mercury, it can lead to neurological and developmental disorders.


How many people died from the Minimata disease?

You are found guilty for this impetuous act!


What happened in minamata?

Minamata, Japan was the site of one of the worst mercury pollution disasters in history. The Chisso Corporation's chemical factory dumped their methylmercury wastewater into the Minamata Bay. The mercury, through the process of bioaccumulation, ended up in the top fish species, which the Minamata population ate for food. This resulted in thousands suffering from acute mercury poisoning. While many went through neurological breakdown, for years, neither the government nor the company did anything about it. Reparations and cleanup are still an ongoing process, several decades later.


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