Minamata disease is a neurological syndrome caused by severe mercury poisoning. Symptoms include ataxia, sensory disturbance in the hands and feet, damage to vision and hearing, weakness, and in extreme cases, paralysis and death.history of minamata disease
In May, 1956, four patients from Minamata, Japan, a city on the west coast of the southern island of Kyushu, were admitted to the hospital. The physicians were puzzled by the symptoms the patients held in common: severe convulsions, bouts of psychosis, loss of consciousness and coma. Finally, after a very high fever, all four patients died.