title: Methylmercury in populations eating large quantities of marine fish.
abstract: A Peruvian population was identified that was chronically exposed to methylmercury from the long-term consumption of ocean fish. The weekly fish intake averaged 10.1 kg per average family of 6.2 persons. Blood methylmercury concentrations ranged from 11 to 275 ng/ml, with a mean of 82 ng/ml. Paresthesias were reported by 29.5% of the population. In contrast, a nearby control population had a mean weekly fish consumption of 1.9 kg per average family of 6.4 persons. Their blood methylmercury levels were 3.3-25.1 ng/ml, with a mean of 9.9 ng/ml. Paresthesias were reported by 49.5% of this control group. No individual was identified with symptoms or signs that could be attributed to methylmercury intoxication.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D002648:Child; D004032:Diet; D005260:Female; D005399:Fishes; D006197:Hair / Q000032:analysis; D006801:Humans; D008297:Male; D008767:Methylmercury Compounds / Q000032:analysis* / Q000097:blood / Q000506:poisoning; D008875:Middle Aged; D010568:Peru
chemical_list: D008767:Methylmercury Compounds