Disease is a biological phenomenon that affects the body and affects its functions or organs in different ways and forms such as inflation, atrophy, inflammation or even bleeding; Which requires that the human or animal affected by the biological phenomenon enjoy medical and nursing care in order to be able to control this pathological phenomenon and return the body to its natural state that enables it to carry out its natural functions without shortening or imbalance. disease over the other. Because of the importance of this science and specialization, we decided to made this book, which includes 100 questions and answers, based on the information available on the Internet, as well as personal experience.