Health & Medicine - Posted by Syl Kacapyr-Cornell on Friday, July 27, 2012 8:59 - 0 Comments 
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(No Ratings Yet) Loading ...Sense of bias may harm poor teens’ health
"The fact that discrimination may also be capable of elevating chronic physiological stress in relatively healthy, young adults is potentially a very important finding," says Gary Evans. "Elevated allostatic load has been linked to a litany of very serious health outcomes, including elevated chronic diseases and premature mortality." (Credit: iStockphoto)
CORNELL (US) — Adolescents who grow up in poverty are more likely to report being treated unfairly, and this perception of discrimination may cause harmful changes to their physical health, according to new research.
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Published in the journal Psychological Science, a new study is one of the first to explore the role of discrimination as a factor in the link between poverty and poor health, suggesting that the stresses associated with experiencing social class discrimination have a sizable negative outcome.
For their analysis, researchers used data from 272 adolescents participating in a longitudinal study on rural poverty that included questions about their perceptions of differential treatment and measured blood pressure, overnight levels of stress hormones, and body mass index—all markers of wear and tear known as allostatic load resulting from chronic overactivation of the stress response system.
As expected, poverty was associated with higher levels of allostatic load, indicated by increased body mass index, blood pressure, and levels of stress hormones. Perceived discrimination accounted for 13 percent of these negative effects of poverty on allostatic load.
“Perhaps the most interesting thing about these findings is that discrimination may have serious, long-term adverse health effects among adolescents,” says author Gary W. Evans, professor of human ecology at Cornell University.
“I think most of us would intuit that discrimination or prejudice is harmful and would make people feel bad, influence self-esteem, etc.,” says Evans. “The fact that discrimination may also be capable of elevating chronic physiological stress in relatively healthy, young adults is potentially a very important finding. Elevated allostatic load has been linked to a litany of very serious health outcomes, including elevated chronic diseases and premature mortality.”
While a growing body of research confirms disparities in health across socio-economic groups, the underlying reasons for this are still not well understood. By suggesting that social class discrimination, through its effects on the stress-response system, may be an important factor in health disparities, the new findings fill a gap in the research and may point to new approaches to improving health.
“It is surprising that social class discrimination is so ignored within the public discourse and the research literature,” says lead author Thomas Fuller-Rowell, a postdoctoral fellow at the University of Wisconsin-Madison.
“There is considerable attention paid to how racial stereotypes play out in daily life and influence how we think about and treat people, but these types of discussions are almost nonexistent in relation to social class stereotypes.”
This needs to change, so that people can begin to understand the potential negative effects of their stereotypes about wealth and social class.
This research was funded by the W.T. Grant Foundation, the John D. and Catherine T. MacArthur Foundation Research Network on Socioeconomic Status and Health, and the Robert Wood Johnson Foundation Health and Society Scholars Program.
More news from Cornell University: www.news.cornell.edu
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