Now this is a trick question, we’ll just say that up front. But it’s also a very important question.
Humans have processed their foods for thousands of years, in order to save the time and tedium of chewing tough meats and overly fibrous plants. Basically, we’re not cows, and we don’t really have the stomach or jaw to be chewing all day long.
And while our ancestors ate a lot more unprocessed food than we do, some also supplemented their diets with flour on occasion. Flour!
Finish reading: How harmful are processed foods? | Examine.com