S-3 Contact of Nutrients, Chemicals and Health   S3-1. Foods and Health Longevity   S3-2. Role of FOSHU (Food for Specified Health Uses) for Healthier Life   S3-3. Chemical Contamination in Aquatic Ecosystems   S3-4. Respiratory Exposing Chemicals and Human Health   S3-5. Assessment of Environmental Fate and Exposure Variability of Organic Contaminants