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.
As a health coach professional in this realm, you would work with the pharmacist, doctors and patients to facilitate a better patient understanding of their illness. You would also work to motivate and direct the patient towards improved self-care and education.