www.checkbiotech.org ; www.raupp.info ; www.czu.cz

More than two-thirds of the food in U.S. markets has at least some amount of
a crop that has been genetically engineered (GE). Do Americans believe that
GE food is a health risk or benefit? They are pretty evenly split on the
issue, finds a new Cornell University study. However, they have grown
slightly more skeptical over the past three years, February 2006 by Susan
S. Lang.

"Depending on whom you ask, the technology is either beneficial or has
negative effects on health and environment," said James Shanahan, associate
professor of communication at Cornell and lead researcher of the study. "Our
study, which consisted of seven data sets, finds continuing ambivalence
about GE foods, even despite their successful use in agricultural
production."

Women generally and nonwhites of both genders perceived higher risk in using
biotechnology in food production than men and whites of both genders. And
Republicans showed more overall support for GE foods than others, he said.

John Besley, one of Shanahan's collaborators and a Cornell doctoral
candidate in communication, presented the study's findings at the annual
meeting of the American Association for the Advancement of Science today
(Feb. 18). The third co-author is Erik Nisbet, also a Cornell doctoral
candidate in communication.

The study included four annual national surveys from 2003 to 2005 (with
samples of about 750 respondents each year) and three annual surveys of New
Yorkers from 2003 to 2005 (about 850 respondents each year). The national
survey measured support for GE food using a scale from 1 to 10, while the
New York survey used a similar scale to measure the perceived health risks
of GE food.

"The results of the state and national surveys were very consistent with
each other," said Shanahan. "And both showed a slight but significant shift
over time toward a little less support and more risk perception."

Specifically, the mean response for support for biotechnology was 5.6 (on a
1-10 scale) in the first year of the surveys, indicating that people were
evenly divided in supporting, opposing or being undecided; by 2005, the mean
declined slightly to 5.2. Similarly, the mean response for risk perception
increased to 6.1 in 2005 from 5.4 in the first year.

The researchers also found that people who pay more attention to the news
tend to support GE food more than those who don't.

"Overall, research shows that GE foods are safe and effective, though some
people still harbor reservations about it," said Shanahan. "I suspect that
the more people are exposed to the news, the more aware they are of
biotechnology and, therefore, more supportive of it."

The New York data were collected by Cornell's Survey Research Institute
(SRI), which conducts survey research on par with other academic research
facilities. The national data were collected during a research methods
course in cooperation with SRI.

Shanahan serves as the co-director of the public issues education project,
Genetically Engineered Organisms. The project has an extensive Web site for
consumers about GE crops and foods (), including information on what foods
are most frequently engineered (corn and soybeans, followed by canola and
cotton, from which cottonseed oil is derived), which traits have been
engineered, regulations, and media coverage and opinions about GE foods.

[www.news.cornell.edu]

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