Health care encompasses a wide range of services aimed at maintaining or improving health. It includes preventive measures, diagnosis, treatment, and rehabilitation of individuals. Health care systems can vary significantly across different countries, influenced by factors such as government policies, economic conditions, and cultural attitudes towards health. Access to quality health care is essential for overall well-being. It involves not only medical services but also education about health practices and the promotion of healthy lifestyles. Effective health care systems strive to provide equitable access to all individuals, ensuring that everyone can receive the care they need.