Chapter 1. Introduction -- Chapter 2. The safe dose in the utilization of chemicals -- Chapter 3. Carcinogens -- Chapter 4. Endocrine disruptors -- Chapter 5. Nanomaterials -- Chapter 6. Epigenetic chemicals -- Chapter 7. Toward the integrated Health risk assessment of chemicals -- Chapter 8. Expanded toxicological mechanisms of chemicals -- Chapter 9. Fields and exposure periods -- Chapter 10. Environmental chemicals as plasticity disruptors -- Chapter 11. It began with the pharmacological evaluation of endocrine disruptors -- Chapter 12. Integration of health risk assessment for various chemicals: Common biomarkers in different exposure routes -- Chapter 13. Toward a dimension-free, pre-emptive, integrated health risk assessment of chemicals -- Chapter 14. Inheritance of neurological disorders -- Chapter 15. Epigenetics -- Chapter 16. Environmental epigenetics.