title: Hooked on fish? There might be some catches. Health-conscious people eat it three, even four times a week. But farm-raised fish and worries about mercury contamination are churning the waters.
mesh_terms: D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D005398:Fisheries / Q000592:standards*; D005506:Food Contamination / Q000331:legislation & jurisprudence; D008628:Mercury; D014481:United States; D014486:United States Food and Drug Administration; D014876:Water Pollution
chemical_list: D008628:Mercury