Question 1

Why do Americans eat so much corn without realizing it?

Accepted Answer

Most American corn never appears as recognizable corn. It is processed into sweeteners like high-fructose corn syrup, additives such as maltodextrin and dextrose, cooking oils, and animal feed, so it reaches people hidden inside sodas, packaged foods, and meat.

Question 2

How do scientists know Americans are made of corn?

Accepted Answer

Corn uses a C4 photosynthetic pathway that leaves a distinctive carbon isotope signature in its tissues. Researchers measured carbon isotopes in American hair and found an overwhelming corn signature, showing that much of the carbon in the average American body traces back to corn.

Question 3

Why is corn so cheap in the United States?

Accepted Answer

Decades of hybrid breeding raised yields dramatically, and farm policy, especially the 1970s shift under Earl Butz toward subsidies that reward maximum production, created enormous surpluses. The result is one of the cheapest sources of calories ever produced.

food-systems

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The Grass That Ate America