sentences:  A 2009 study attributed one in three deaths in the United States to high levels of inequality.According to The Earth Institute, life satisfaction in the US has been declining over several decades, which they attributed to increasing inequality, lack of social trust and loss of faith in government.A 2015 study by Angus Deaton and Anne Case found that income inequality could be a driving factor in a marked increase in deaths among white males between the ages of 45 to 54 in the period 1999 to 2013.