Public health issues refer to health problems that affect a large number of people within a community or population. These issues can include diseases, environmental hazards, and lifestyle factors that contribute to poor health. Examples include obesity, smoking, and the spread of infectious diseases like COVID-19. Addressing these issues often requires coordinated efforts from governments, healthcare providers, and community organizations. Effective public health strategies aim to prevent disease and promote health through education, policy changes, and access to healthcare services. Initiatives may focus on improving nutrition, increasing physical activity, and ensuring clean water and air. By tackling these issues, communities can enhance overall well-being and reduce healthcare costs.