This document discusses public health problems and outlines criteria for determining priority public health issues. It defines key terms like health, disease, illness, and ill health. Public health aims to prevent disease through organized community efforts. Demands on health care exceed resources due to factors like population growth, aging, and unhealthy environments. Priority public health problems are determined by prevalence, individual impact, societal impact, and potential for prevention/treatment. The document concludes that governments should implement policies to reduce population growth, increase health sector resources, and encourage individual health maintenance.