Not sure what you mean....150 years ago people didn’t eat pounds of sugar a year...enriched flour...etc...they ate whole milk...butter...cream...meat etc.
which is what I eat these days...One does not have to use enriched flour or white sugar at all
Only enriched flour contains carbohydrates? The Roman army conquered the known world marching on bread. Farm families in this country throughout history have consumed huge quantities of carbohydrates -- much of it from processed flour -- yet obesity, and the many afflictions that result from obesity, was almost non-existent.