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.
Health education builds students' knowledge, skills, and positive attitudes about health. Health education teaches about physical, mental, emotional and social health. It motivates students to improve and maintain their health, prevent disease, and reduce risky behaviors.