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Is Obesity an Addiction?

New brain research is revealing why fats and sugars may be driving more and more people toward obesity

By Paul J. Kenny

Processed Food: A 2-Million-Year History

It is the dark force, we're told, behind the obesity epidemic, the death of the family farm and Tang. But humans have been “processing” food ever since we learned how to cook, preserve, ferment, freeze, dry or extract...

By Evelyn Kim

Microbes Help Grow Better Crops

Enlisting bacteria and fungi from the soil to support crop plants is a promising alternative to the heavy use of fertilizer and pesticides

By Richard Conniff

The Truth about Genetically Modified Food

Proponents of genetically modified crops say the technology is the only way to feed a warming, increasingly populous world. Critics say we tamper with nature at our peril. Who is right?

By David H. Freedman

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