Why is an understanding of child mortality essential in describing advancements in health care outcomes?

Post a 260- to 350-word response to the following questions as a New Message into the discussion area:

Why is an understanding of child mortality essential in describing advancements in health care outcomes?
Why are health care costs dramatically higher in the U.S. versus other industrialized nations? Is there a correlation between the cost of care and the health of the population? How does the quality of care in the U.S. compare with other industrialized nations?

Cite at least 2 peer-reviewed, scholarly, or similar references.

Format your citations according to APA guidelines.