Nursing is concerned with the provision of care to maintain a quality of life for individuals, families or communities. It is extended to individuals across all ages and cultural backgrounds in a manner that takes into consideration the patient's physical, psychological, intellectual, social and emotional needs. Evidence-based nursing refers to the provision of nursing care that is based on an integration of personal clinical expertise and current research. This approach is founded on evidence-based practice. It strives to improve the health and safety of patients in a cost-effective manner. Evidence-based practice is based on the principles of cultivating a spirit of inquiry, asking clinical questions, collecting evidence, appraising the evidence, integrating the evidence, evaluating outcomes and disseminating outcomes. The topics covered in this extensive book deal with the core aspects of nursing and healthcare. It aims to present the researches that have transformed this discipline and aided its advancement. In this book, using case studies and examples, constant effort has been made to make the understanding of this field as easy and informative as possible for the readers.