sentences:  Using statistics from 23 developed countries and the 50 states of the US, British researchers Richard G. Wilkinson and Kate Pickett found a correlation that remains after accounting for ethnicity, national culture and occupational classes or education levels.Their findings place the United States as the most unequal and ranks poorly on social and health problems among developed countries.The authors argue inequality creates psychosocial stress and status anxiety that lead to social ills.