This book aims to shed light on some of the unexplored aspects of public health and the recent researches in this field. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this area of study. Public health is mainly concerned with providing all round healthcare facilities. It aims at overall welfare rather than eradication of disease only. It is a multidisciplinary field that encompasses environmental health, community health, biostatistics, behavioral health, insurance medicine, etc. While understanding the long-term perspectives of the topics, this book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. It will serve as a valuable source of reference for healthcare professionals, researchers and students associated with public health.