In addition to differentiation by species, zoology also encompasses other types of research, such as animal physiology, behavioral ecology, evolutionary biology and ethology, the study of animal behavior.
Public health is personal. Public health professionals focus on preventing disease and injury by promoting healthy lifestyles. They implement educational programs, develop policies, administer services, conduct research, and regulate health systems to achieve these goals.
Community health education is a theory-driven process that promotes health and prevents disease within populations. Those who study community health learn how to design and implement programs that promote health and prevent disease within certain target populations in the community. If you enjoy helping people and have an interest in the health field, community health may be the field for you. 1  Collaborative Efforts - developing community-based programs. 2  Health Promotion - developing low literate, culturally appropriate materials, curricula and awareness campaigns.