1. pathogens: this book introduces many common pathogens, such as bacteria, viruses and parasites, and how they invade the human body and cause diseases.
2. Immune system: The author explains in detail how the human immune system protects us from pathogens, including the functions of white blood cells, antibodies, lymphatic system and other components.
3. Infectious diseases: The book describes the transmission routes, symptoms and treatment methods of various infectious diseases, such as influenza, AIDS and tuberculosis.
4. Non-communicable diseases: These diseases are usually not caused by pathogens, but by a combination of heredity, environment, lifestyle and other factors. The book introduces the causes and preventive measures of non-communicable diseases such as cardiovascular disease, cancer and diabetes.
5. Drugs and treatment: The book introduces many commonly used drugs and treatments, such as antibiotics, antiviral drugs and surgery. And its role and indications in the treatment of diseases.
6. Prevention first: The author emphasizes the importance of preventing diseases, and advocates preventing diseases by improving living habits, strengthening exercise and maintaining a good attitude.
7. Nutrition and health: The book discusses the effects of diet on health, including the role of protein, fat and carbohydrates, and how to maintain good health through a reasonable diet.
8. Mental health: The author mentioned the importance of mental health to physical health, and introduced some methods to relieve stress and maintain psychological balance, such as meditation and psychological counseling.
In a word, Why Do We Get Sick covers a lot of medical knowledge, aiming to help readers understand the nature of diseases and enhance their awareness of self-care, so as to better prevent and cope with diseases.