Wilkinson video on social inequalities and health

Watch this 17 minute video https://www.youtube.com/watch?feature=player_detailpage&v=cZ7LzE3u7Bw
and then critically evaluate this statement : "The best way to improve the health status of the U.S. population is to improve access to affordable, quality healthcare." This has relevance to healthcare reform. Does the concept of scarcity have any impact on your answer? Might your answer be different if we were talking not about the U.S., but about a less developed country that has a lower overall population health status?