This book is designed to assist each individual in learning basic concepts about their body. The human anatomy and inner workings are actually quite simple. Anyone who is interested in staying alive should have this basic information. Physicians have the training but still require assistance from the patient to help maintain a life. If you understand the pain moving to your jaw and causing sweating may represent a heart attack; you will be more likely to seek help now versus later. That simple peace of knowledge can keep you and your love ones alive. The book also contains charts for you to keep your medical information and be able to easily provide that information to your physicians, nurses and hospitals. One of the most important bits of information to have is your personal wish concerning treatment options , in the event you can't speak for yourself. The last page is an advance directive to assist doctors and family with your wishes.