The Brazilian Unified Health System, known as SUS (Sistema Único de Saúde), is a public health system established in 1988. It aims to provide comprehensive, universal, and free healthcare to all Brazilian citizens. The system covers a wide range of services, including preventive care, hospital treatment, and specialized services, ensuring that everyone has access to necessary medical attention. SUS is funded by federal, state, and municipal governments, relying on tax revenues to support its operations. It emphasizes the importance of health equity and social justice, striving to reduce disparities in healthcare access across different regions and populations in Brazil.