title: Renewed questions about polyunsaturated fatty acids.
mesh_terms: D004041:Dietary Fats / Q000009:adverse effects; D004194:Disease / Q000209:etiology; D004537:Eicosanoic Acids / Q000096:biosynthesis / Q000502:physiology; D005228:Fatty Acids, Essential / Q000008:administration & dosage / Q000502:physiology; D005231:Fatty Acids, Unsaturated / Q000008:administration & dosage / Q000502:physiology; D006801:Humans; D009751:Nutritional Requirements
chemical_list: D004041:Dietary Fats; D004537:Eicosanoic Acids; D005228:Fatty Acids, Essential; D005231:Fatty Acids, Unsaturated