According to the American Public Health Association, what is public health?

The definition of public health emphasizes the practice of preventing disease and promoting good health among populations. This encompasses a broad range of activities aimed at improving health and well-being, such as vaccination programs, health education initiatives, and policies designed to create healthier environments. Public health focuses not just on individual patients but on the health of communities as a whole, addressing factors that influence health outcomes and working to prevent health issues before they arise.

The selected answer reflects the core mission of public health, which includes monitoring health trends, implementing health strategies, and advocating for health-related policy changes. This definition aligns with the overarching goal of improving the quality of life through disease prevention and health promotion, ultimately leading to healthier societies.