Part I. Burden of Disease, Health Equity and Social Determinants of Health.- Chapter 1. The Double Burden of CDs and NCDs in Developing Countries.- Chapter 2. The Alarming Increase of NCDs in the Arab.- Chapter 3. Health Inequity and Territorial Disparity.- Chapter 4. Social Determinants of Health in People with Diabetes in Four Countries of the Gulf.- Chapter 5. Socioeconomic Inequalities, Health Inequity and Territorial Disparity in Morocco.- Chapter 6. Under-Five Mortality in Sudan: Social Determinants and Health Equity.- Chapter 7. The Evidence Based Applied to Cancer Prevention.- Chapter 8. The Role of Environmental Health in Reducing Chronic or Non-communicable Diseases Through a Healthy Lifestyle: Case of Morocco.- Chapter 9. Overweight and Obesity Among Various Age Groups in North African Region: The Role of Physical Inactivity and Sedentary Behaviour as Key Contributing Factors.- Chapter 10. Challenges of Sustainable Development in Developing Countries.- Chapter 11. Health Equity: a Challenge of the 21st Century.- Part II. Mathematical Modelling, Epidemiological Studies and Estimation of Direct and Indirect Cost of Diseases.- Chapter 12. A Review of Mathematical Models Used in Diabetology.- Chapter 13. Modelling for Growth Hormone, Beta-cells, Glucose, Insulin and FFA.- Chapter 14. : A Discrete Mathematical Model of Tumour Therapy.- Chapter 15. A Model of Dengue Fever: An Optimal Control Approach.- Chapter 16. Analysis of Data on Diabetes from the Gulf COAST Database.- Chapter 17. Statistical Analysis of Health in Arab Countries.- Chapter 18. Epidemiology and Cost of Diabetes in Arab Countries.