Corn flakes, or cornflakes, are a breakfast cereal made from toasting flakes of corn. The cereal, originally made with wheat, was created by Dr. Will Kellogg in 1894 for patients at the Battle Creek Sanitarium where he worked with his brother John Kellogg who was the superintendent.

How is corn flakes produced?

Here's how it all works:

About two months later, the corn enters a growth spurt, shooting up to five feet, before flowering. ... At the factory the corn grits are rolled out into flakes. Those flakes are then cooked, dried and toasted to become Kellogg's Corn Flakes ready for you to enjoy.

Why corn Flakes are bad for you?

Unfortunately, the glycemic index of corn flakes is very high i.e. 82. High glycemic index form of carbohydrate present in corn flakes produces high concentrations of blood glucose levels. This contributes to the high risk of type 2 diabetes. Therefore, it won't be wrong to say that corn flakes are not healthy.