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Do they use chemicals to grow soy? Is that unhealthy?

EarthTalk
Americans today spend upward of $4 billion yearly on soy food products. Although the versatile soybean provides many health benefits, some 90 percent of the U.S. crop is grown using genetically modified seeds, engineered to withstand repeated dousing with Monsanto’s herbicide, glyphosate (popularly known as RoundUp). Photo by Timothy Valentine, courtesy Flickr

Dear Earth Talk: How healthy is soy? I heard that, despite its healthy image, most soy is grown using chemicals like other crops and is even being genetically modified.

D. Frinka

Syracuse, N.Y.

Food products made with soy have enjoyed great popularity in the United States and elsewhere in recent years. Two decades ago, Americans spent $300 million a year on soy food products; today we spend over $4 billion.

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