Our bodies are different. The corn humans eat will make you thin! Just don’t put any butter on it.
This is from The Starch Solution:
Turning sugars into fats is a process called de novo lipogenesis. Pigs and cows use this process to convert carbohydrates from grains and grasses into calorie-dense fats…We humans, on the other hand, are very inefficient at converting carbohydrate to fat; we don’t do it under normal conditions.
The references are 6-15 and you can find them in the footnotes of the book.