By Ilya Somin
A recent survey by the Oklahoma State University Department of Agricultural Economics finds that over 80 percent of Americans support “mandatory labels on foods containing DNA,” about the same number as support mandatory labeling of GMO foods “produced with genetic engineering.” Oklahoma State economist Jayson Lusk has some additional details on the survey. If the government does impose mandatory labeling on foods containing DNA, perhaps the label might look something like this:
WARNING: This product contains deoxyribonucleic acid (DNA). The Surgeon General has determined that DNA is linked to a variety of diseases in both animals and humans. In some configurations, it is a risk factor for cancer and heart disease. Pregnant women are at very high risk of passing on DNA to their children.
The Oklahoma State survey result is probably an example of the intersection between scientific ignorance and political ignorance, both of which are widespread.The most obvious explanation for the data is that most of these people don’t really understand what DNA is, and don’t realize that it is contained in almost all food. When they read that a strange substance called “DNA” might be included in their food, they might suspect that this is some dangerous chemical inserted by greedy corporations for their own nefarious purposes.
Polls repeatedly show that much of the public is often ignorant of both basic scientific facts, and basic facts about government and public policy. Just before the 2014 elections, which determined control of Congress, only 38 percent realized that the Republicans controlled the House of Representatives before the election, and the same number knew that the Democrats control the Senate. The public’s scientific knowledge isn’t much better. A 2012 National Science Foundation survey even found that about 25% of Americans don’t know that the Earth revolves around the sun rather than vice versa. Issues like food labeling bring together political and scientific knowledge, and it is not surprising that public opinion on these subjects is very poorly informed.
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