How does economics apply to health care?

. How does economics apply to health care? In your own words how do you define health? Conduct a search for the term health from a public health source and choose the one that you think is the best. Provide the reference for this definition and elaborate on why you think this is the best definition.

2. Explain how an increase in income would affect the level of health in a relatively affluent country like the United States compared to a relatively poor country like Haiti. Be specific regarding the various factors that influence health and how they may differ in these countries.