There's a new book out by British psychologist Oliver James called Affluenza. That's the same name of a PBS movie produced by John DeGraf in 1994. Based on what I read in this short article Affluenza: Rampant consumerism erodes us - Yahoo! News, it looks like things haven't gotten much better since then:
"Bigger houses, more cars, larger televisions, younger faces
-- these goals are frenetically pursued by middle-class
workaholics afflicted by 'Affluenza.'
'Studies in lots of different nations show that if you
place high value on those things, you are more likely to suffer
depression, anxiety, addictions and personality disorders,' he