The study of the relationship between work and human health, the promotion of health in the workplace, and the prevention, diagnosis, and management of occupation related diseases, disorders and injuries.
Work health and safety issues include concerns about biological, chemical and physical hazards; diseases, disorders and injuries related to or affecting work; health issues involving the physical space of work; types of occupations and their effect on health; job stress, work schedules, and other psychosocial issues in the work environment affecting health.