Minamata Disease, which is a typical example of the pollution-related health damage in Japan, was first discovered in , around Minamata Bay in Kumamoto Prefecture, and in , in the Agano River basin in Niigata Prefecture. Since the discovery of the disease, investigation of the cause has been made, and finally in , the government announced its opinion that Minamata Disease was caused by the consumption of fish and shellfish contaminated by methylmercury compound discharged from a chemical plant. It is known that Minamata Disease is a disorder of the central nervous system and shows various signs and symptoms including sensory disturbance in the distal portions of four extremities, ataxia, concentric contraction of the visual field, etc. At the end of March , 2, Minamata Disease patients have been certified, of which 2, patients have been located on Yatsushiro Sea coast.
[Effects of Prenatal Methylmercury Exposure: From Minamata Disease to Environmental Health Studies]
Minamata Disease Research Papers - bone-fishing.info
Cadmium Cd poisoning can also cause softening of the bones and kidney failure. Effective treatments involve the use of chelators to promote urinary excretion of Cd. Remediation efforts in the affected region have been ongoing since and were mostly complete as of Itai-itai disease was caused by cadmium poisoning due to mining in Toyama Prefecture. Regular mining for silver started in , and soon thereafter, mining for lead , copper , and zinc began.
This is the old United Nations University website. Introduction Who are the victims of Minamata disease? Official recognition of Minamata disease and the initial response Chisso's grip on the local community Neglect in preventing the spread of disease Problems associated with relief and reparations How the local community suppressed the victims Conclusions Editor's postscript Chronology Notes References. Minamata is a Japanese city of 34, people on the north-west coast of Kumamoto Prefecture in the island of Kyushu. It lies astride a small river that empties into Minamata Bay, an arm of the semienclosed Shiranui Yatsushiro Sea.
To enjoy our content, please include The Japan Times on your ad-blocker's list of approved sites. The book includes the reminiscences of a wide range of people affected by the disease, including patients, lawyers and local officials. Oysters and clams died, while small fish were washed up ashore. And then, human beings fell sick.