Final answer:
Working in public health offers a greater impact on population health, focuses on prevention and health promotion, provides opportunities for research and policy development, and fulfills a sense of social responsibility.
Step-by-step explanation:
An individual might choose to work in public health instead of private medicine for several reasons. First, working in public health allows for a greater impact on population health. Public health professionals focus on preventing and managing diseases, injuries, and other health-related conditions that threaten human health.
Second, public health emphasizes prevention and health promotion. This involves educating the public, conducting immunization campaigns, and gathering data to guide interventions and research.
Third, public health offers opportunities for research and policy development. Public health professionals have the chance to contribute to the understanding of disease spread and its effects on populations and to shape public health policies.
Finally, working in public health can fulfill an individual's sense of social responsibility. By addressing health disparities and promoting health equity, public health professionals can make a positive impact on society.