The author explores his theory that the food industry's used three essential ingredients to control much of the world's diet. Traces the rise of the processed food industry and how addictive salt, sugar, and fat have enabled its dominance in the past half century, revealing deliberate corporate practices behind current trends in obesity, diabetes, and other health challenges.

Fresh celebrates the farmers, thinkers and business people across America who are re-inventing our food system. Forging healthier, sustainable alternatives, they offer a practical vision for a future of our food and our planet. Among others, Fresh features urban farmer and activist Will Allen, sustainable farmer and entrepreneur Joel Salatin, and supermarket owner David Ball.