Cold cereal is a fairly American habit. The rest of the world eats a light meal of bread, fruit, and a couple of other normal foods, or maybe a hearty cooked meal if you do heavy labor. So why do we eat so much sugary cereal with milk? Yeah, it's tasty, but it's not good for us. Those cereals were born to be health foods, especially good for the suppression of sexual urges. Simon Whistler of Today I Found Out explains the evolution of breakfast itself first, and then the origins of the cereals we know.