Health care access refers to the ability of individuals to obtain necessary medical services. This includes factors such as availability of health care providers, affordability of services, and the presence of health insurance. Access is crucial for maintaining overall health and well-being, as it ensures that individuals can receive timely and appropriate care. Barriers to health care access can include financial constraints, lack of transportation, and geographic location. Vulnerable populations, such as those living in rural areas or low-income communities, often face greater challenges in accessing quality health care. Addressing these barriers is essential for improving health outcomes and achieving health equity.