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 Q&A. As a health educator you're responsible for teaching people, either individually or in groups, about living a healthier lifestyle and preventing medical conditions. For instance, you may teach teenagers how to prevent sexually transmitted diseases (STDs) or communities about eating healthier.