Richest Americans live seven to 10 years longer than poorest
http://www.reuters.com/article/us-health-lifeexpectancy-wealth-idUSKBN13U200
For kids, poverty means psychological deficits as adults
http://www.news.cornell.edu/stories/2016/12/kids-poverty-means-psychological-deficits-adults
Hidden Food Stress in the United States
http://childrenshealthwatch.org/hidden-food-stress-in-the-united-states/
U.S. poor spend high percentage of income on food
http://www.foodbusinessnews.net/articles/news_home/Consumer_Trends/2016/11/US_poor_spend_high_percentage.aspx?ID=%7B0F1779A0-BADA-48DA-9C99-23D1F0FAE401%7D&cck=1#.WCyhLpWs-nk.facebook
