Overview.- I. Naturally Occurring Toxicants.- 1 Naturally Occurring Toxicants in Food.- 2 Inhibitors of Enzymes in Biological Materials Used for Foods.- 3 An Outbreak of Aflatoxicosis in Man.- 4 Coturnism: Poisoning by European Migratory Quail.- 5 Dietary Toxins and the Eye.- 6 Ackee Poisoning.- 7 Lathyrism.- 8 The Djenkol Bean.- II. Environmental Toxicants.- 9 Environmental Contaminants.- 10 Agricultural Chemicals.- 11 The Firemaster Incident.- 12 Minamata Disease: Organic Mercury Poisoning Caused by Ingestion of Contaminated Fish.- 13 Mercury in Food.- III. Dietary Additives.- 14 Commercial Additives.- 15 Common Food Additives and Spices in Thailand: Toxicological Effects.- 16 The Hyperkinesis Controversy.- 17 The Chinese Restaurant Syndrome.- IV. Social Toxicants.- 18 Social Toxicants and Nutritional Status.- 19 Alcohol and Body Damage.- 20 Alcohol and the Fetus.- 21 Alcohol and Cerebral Thiamin Deficiency.- V. Infections.- 22 Food Infections.- 23 Major Food-Borne Parasitic Infections.- 24 Adverse Effects of Diet in New Guinea: Kuru and Enteritis Necroticans.- 25 Fish and Shellfish Poisoning in Britain.- 26 Liver Flukes: Relationship to Dietary Habits and Development Programs in Thailand.- 27 Adverse Effects of Normal Nutrients and Foods on Host Resistance to Disease.- VI. Genetics.- 28 Adverse Effects of Foods in Genetic Disorders.- VII. Allergy.- 29 Food Allergy in Children and Adults.- VIII. Food Accidents.- 30 Food Accidents.- IX. Excessive Intakes.- 31 Excessive Nutrient Intakes.- 32 Aurantiasis.- 33 Infantile Hypercalcemia.- X. Deficient Intakes: Naturally Occurring.- 34 Nutrient Deficiencies in Naturally Occurring Foods.- 35 Ke-Shan Disease.- 36 Zinc-Deficient Dwarfing.- XI. Deficient Intakes: Culturally Induced.- 37 Culture-Made Nutritional Inadequacies.- 38 A Syndrome of Tremors.- 39 Anorexia Nervosa.- 40 Zen Macrobiotic Diets.- XII. Nutritional Imbalance.- 41 Dietary Fiber as a Protection against Disease.- 42 Adverse Effects of Some Food Lipids.- 43 Diet, Nutrition, and Cancer.- XIII. Consequences of Infant Feeding.- 44 Effects of Infant Feeding.- 45 Metabolic Alkalosis from Chloride-Deficient Infant Formula.- XIV. Avoidance of Adverse Diets.- 46 Selection of an Optimal Diet: Modern Criteria.