1. Heredity is one of the important factors affecting human health and diseases. People's height, figure, personality and psychological state are all influenced by genetic factors. Some diseases, such as hypertension, coronary heart disease, diabetes and breast cancer, are also closely related to genetic factors.
2. Growing family, as the basic environment for children's growth, directly or indirectly affects children's physical and mental growth and development through feeding, education and behavior training.
3. The occurrence, development and spread of diseases The family's health concept, disease prevention awareness, medical treatment and compliance behavior, life and hygiene habits directly affect the occurrence, development and spread of diseases in the family.
4. Rehabilitation and death After a family member is ill, the degree of concern, care, care and financial support of other members will affect the physical recovery or illness aggravation or even death of this member.