Genetically Modified Foods

By Eric Niiler

Published January 15, 2003 at 12:00 AM EST

Today's transgenic (genetically modified) crops contain have been tinkered with in a relatively simple way. And there is no evidence that they pose any health risk. But scientists are now working on the much more complex modifications needed to enhance the nutritional value of food crop -- by increasing their vitamin content, for example. This could have unpredictable consequences. NPR's Eric Niiler reports.

Eric Niiler

Eric Niiler reports for NPR's national desk. His work can be heard on All Things Considered, Morning Edition, and other NPR newsmagazines. Before moving to his current post, Niiler was a reporter for NPR's Day to Day program, and also filed pieces for NPR's national and science desks.

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