The objective of the textbook is to develop an understanding of the subject of community medicine among the readers with respect to its relevance, contribution and applicability to health and disease of the communities, and maintain a reader-friendly approach throughout. This edition is much more than the 'revised' edition of Textbook of Preventive and Social Medicine. Many chapters/sections have been completely rewritten due to the rapid and significant developments in certain fields, such as re-emerging diseases, nutrition, disabilities, genetics, national health mission, RMNCH+A. # The discipline of community medicine ranges from primary and preventive healthcare approach to health planning, policies and health management. # The concepts seamlessly move from local to global view of the topics, while keeping its relevance in the national context. The entire information on a topic is available at one place. # The language has been kept simple, with addition of relevant examples, illustrations for easier and better understanding. 'Further reading' resources mentioned in each chapter for those interested in more details. # Keeping in mind the students' increasing access to internet and online content, authentic, relevant and updated website links have been meticulously provided for all the chapters. This will facilitate self-directed learning among students. # The contents of the book are in line with the Medical Council of India recommended curriculum framework. This textbook is recommended for the faculty and students of undergraduate courses of medicine, dentistry and nursing; and for postgraduate students of community medicine, preventive and social medicine, public health, and family medicine. Piyush Gupta MD,FNNF,FIARFAMS is currently Professor of Pediatrics, University College of Medical Sciences, University of Delhi. A renowned academician, teacher, researcher, author and editor, he has published more than 150 papers and edited/written 20 books including Textbook of Pediatrics, Clinical Methods in Pediatrics 3/e, Textbook of Preventive and Social Medicine 2/e, Essential Pediatric Nursing, IAP Textbook of Pediatrics, Principles of Medical Education, and How to Write a Thesis. He has served as Editor-in-Chief of Indian Pediatrics (official journal of the Indian Academy of Pediatrics) for 6 years. He has been conferred fellowships by the Royal College of Paediatrics, UK; Indian Academy of Pediatrics; National Academy of Medical Sciences, India; and awarded by the American Academy of Pediatrics for his work on micronutrients. His major initiatives include workshops on thesis and scientific paper writing and increasing awareness for practising rational management of diarrhea and pneumonia in children. Dr Gupta has served as technical expert/advisor to Government of India, WHO, UNICEF, and ICMR. He has been a trustee of Child Health Foundation and presently Joint Secretary, South Asia Pediatric Association. Recently, he was awarded the prestigious KL Wig Oration by the National Academy of Medical Sciences for his contribution to medical education in India. Amir Maroof Khan MD is currently Assistant Professor cum Medical Officer, Urban Health Centre, Department of Community Medicine, University College of Medical Sciences, University of Delhi. He is a keen medical educationist with key interest in imparting training to the health manpower in various domains such as medical education, research methodology, biostatistics, epidemiology, infant and young child feeding, and rabies. He has more than 40 publications in various national and international journals. He is a member of editorial board of the first medical humanities journal in India Research in Humanities and Medical Education and is also the honorary secretary of Consortium Against Rabies, Delhi.

The encouraging response to the second edition of the Textbook encouraged and inspired the authors to bring out the third edition. Like the previous editions, the Textbook endeavors to convey knowledge of time-old principles of biochemistry supplemented with modern developments, in a simple, precise and lucid manner. The contents have been organised into various sections and the chapters are updated with multiple choice questions, new figures, tables and applied biochemistry in the form of 'chemistry to clinics'. More than 120 new color figures have been incorporated and a new chapter on radioisotopes added. Salient Features Entire text updated through new figures, tables and MCQs. y Over 100 new illustrations added to aid the learning of biochemistry. Emphasis laid on learning applied biochemistry in the form of 'Chemistry to Clinics" given in most of the chapters. Introductory chapter on 'Chemical Linkages' as a prelude to studying the subsequent chapters in more detail,Topics of special interest such as stem cells, major histocompatibility complex, oxygen toxicity, AIDS, apoptosis, extracellular matrix, cytoskeleton, information transfer, human genome project, specimen collection, etc. Selected color drawings with the purpose that they should be easily understood by the students. Further, the molecular structures that have been shown in certain key metabolic pathways only. Harbans Lal PhD,FIAO,FACBI joined as Lecturer in Biochemistry at Medical College (now Postgraduate Institute of Medical Sciences, Pt BD Sharma University of Health Sciences), Rohtak, Haryana, and retired from there as Senior Professor after nearly 34 years of service. Presently, he is working as Senior Professor and Head, Department of Biochemistry, Maharaja Agrasen Medical College, Agroha (Hisar). He has supervised a large number of PhD and MD students, written 7 textbooks and published 139 research papers in various international and national journals. He is Associate Editor of Journal of Biochemistry Letters and on peer review of several international and national journals. Dr Harbans Lal has also been a visiting faculty at Louisiana State University Medical Centre, New Orleans, USA, and Department of Biosciences, MD University, Rohtak. He is a life-member of several scientific bodies including Association of Clinical Biochemists of India, International Federation of Clinical Chemistry, Society of Biological Chemists of India, Nutrition Society of India and Association of Indian Science Congress. He had also been the Vice-President of the Association of Clinical Biochemists of India (ACBI) and convener of its Haryana Chapter. He is a recipient of several international and national awards including World Health Organization Fellowship, Fellowship of the Association of Clinical Biochemists of India, Fellowship of the Society of Biological Scientists of India, 'Seth GS Medical College and KEM Hospital Oration Award' and 'Best Teacher Award for Excellence in Teaching' from PGIMS, Rohtak. Late Rajesh Pandey MD did his MBBS from Medical College, Calcutta (now Kolkata) followed by MD (Biochemistry) from Pt BD Sharma PGIMS, Rohtak. He joined as Research Associate/Scientist at PGIMER, Chandigarh, where he worked for more than 5 years. He was Professor and Head, Department of Biochemistry, MMIMSR, Mullana, Ambala, Haryana. He published over 42 papers in international/national journals of repute and also 3 international book-chapters. He had special interest in antioxidants, nutritional biochemistry and nanotechnology.

Textbook of Biochemistry with Biomedical Significance for Medical and Dental Students, In this book have comprehensively covers fundamental concepts of biochemistry in a relevant and user friendly manner for undergraduate medical and dental students as also the students of biochemistry, life sciences and paramedical courses. It also distinctively highlights the biomedical significance of various important topics of biochemistry to help the readers in imbibing the biochemical basis of human disease and to apply this knowledge in understanding the various aspects of medicine. Different topics of medical interest like diabetes mellitus, central dogma of molecular genetics, DNA damage, its repair and associated diseases, cancer, oncogenes and oncogenic viruses, anti-tumour agents and markers, organ function tests (liver, renal, gastric and thyroid function tests), application of enzymes and enzyme-inhibitors in medicine, inborn errors of metabolism, oxygen-free radicals, prions, prostaglandins, diseases of overnutrition, hemoglobinopathies, detoxification, hormones, etc. have been described in a simple and lucid manner.

Targeted and Controlled Drug Delivery (Novel Carrier Systems) will certainly underwrite the future of clinical therapeutics and preventive medicine. The advances in the realm of targeted and controlled drug delivery are epitomized through various drug carriers developed from time to time for the purpose. Most of the carrier(s) are either macromolecular drug bearing complexes or conjugates or colloidal drug container(s).The book in a systematic way presents essentials of targeted drug delivery and topics covering Liposomes, Niosomes,

Surgical Oral Pathology is a concise book providing basic knowledge for undergraduate and postgraduate students and practising dentists. In addition, this book gives a thorough understanding of the lesion being operated and will help the surgeon to discuss the probable outcome of the surgery and recurrence. This book is a pioneer effort in this discipline and should serve as a handy reference/guide for all oral surgeons.