The diagnosis, prevention and treatment of illnesses, injuries and diseases for the purpose of maintaining and improving health is known as health care. It is provided by health professionals. It plays a crucial role in the promotion of physical health, mental health and the wellbeing of people. Some of the common fields which fall under health care include physical therapy, pharmacy, optometry, dentistry, audiology, psychology, midwifery and occupational therapy. An organization of people, institutions and resources meant to deliver health care services to fulfil the health needs of people is called a health care system. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in the field of health care. The various advancements in health care are glanced at and their applications as well as ramifications are looked at in detail. For all those who are interested in health care, this book can prove to be an essential guide.