1, lifestyle. Lifestyle factors include living, diet, psychology, exercise, various hobbies and so on.
2, genetic factors. Genetic factors are the parents' genes.
3, medical factors. The medical factor refers to the level of local medical and health services.
4, social factors. Social factors include social institutions and policies, personal income and social status, cultural background and social support networks, education, and employment and working conditions.
5. Natural factors. Natural factors refer to the degree of pollution of the environment air, water and so on.