The primary goal of health policy is to improve the overall health of a population, not just to reduce costs or increase access to services.

Out-of-pocket systems are not common types of healthcare systems, as they require individuals to pay for their healthcare expenses directly.

Social determinants of health are the social, economic, and environmental factors that influence health.

Increasing funding for research is not a common health policy strategy to address health disparities, as it does not directly address the underlying causes of disparities.

Health disparities are the differences in health outcomes between different population groups.

Taxes on unhealthy products are not a common health policy strategy to promote healthy behaviors, as they may have unintended consequences.

Health equity is the fair and just distribution of health resources and opportunities.

Improving air quality is not a common health policy strategy to address social and economic inequalities, as it does not directly address the underlying causes of inequalities.

Healthcare expenditure is the total amount of money spent on healthcare in a country.

Expanding access to healthcare services is not a common health policy strategy to reduce healthcare costs, as it may actually increase costs in the long run.

Evidence-based medicine is the process of making healthcare decisions based on the best available evidence.

Reducing healthcare costs is not a common health policy strategy to improve quality of care, as it may lead to trade-offs in quality.

Patient-centered care is the process of involving patients in their own healthcare decisions.

Reducing healthcare costs is not a common health policy strategy to promote patient-centered care, as it may lead to trade-offs in patient-centeredness.

Value-based care is the process of making healthcare decisions based on the values and preferences of the patient.