1) Introduction

The World Health Organization defines health as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity." Consequently, all individuals around the world should have access to health and no one should be left behind as claimed by the Sustainable Development Goals. However, decision makers are challenged by health issues such as inequitable access to health services, the double burden of communicable and non communicable diseases, the risk factors like unhealthy diet, physical inactivity, weight excess, alcohol, smoking and increasing environmental risk factors.

2) The aim and scope of this Special Issue is to

The objective of this special issue is to collect high level complementary contributions on various health issues, provided by well-known researchers who have acquired extensive experience in different developed and developing countries during the last decades. It is also expected to gather the accepted papers in an e-book with ISBN, provided that sufficient papers are submitted and accepted.

3) Suggested themes to this Special Issue

The list of suggested themes includes, but is not limited to, health equity, territorial disparities in health access (rural-urban, between and within countries), emerging and re-emerging communicable diseases (CDs), increasing trend in non communicable diseases(NCDs), Mathematical modelling and epidemiological studies, Disease burden.

Heath equity, Social Determinants of Health, Non communicable Diseases, Communicable Diseases, Disease Burden, Epidemiology and Modelling.