DOMINO EFFECT
Thousands of years ago our forebears learned how to domesticate staples such as rice, wheat and millet (as well as such less-well-known grains as amaranth and quinoa), which led in turn to cities, civilization and telemarketing. Packed with complex carbohydrates and essential vitamins such as B and E, grains still account for most of the calories consumed in the world.
PHYSICS LESSON
But the more we grind, mill, refine and strip grains of their constituent parts, such as bran, the fiber-rich outer layer, the more quickly our bodies are able to digest them--and the sooner we're hungry...