Studies, Age, POPULATION, Marine mammals, Fish, Memory, Environmental Pollutants - toxicity, Pesticides, Lipids, Fetuses, Hydrocarbons, Families & family life, Mercury - analysis, Methylmercury Compounds - toxicity, Dichlorodiphenyl Dichloroethylene - toxicity, Maternal Exposure - adverse effects, Chlorinated - adverse effects, Methylmercury Compounds - meta...