That doesn't help define a useful understanding at all.
There will likely never be a satisfactory definition, and doesn't need to be. Instead we define what foods are causing health problems and which aren't.
Look in this study, cheese is on the unprocessed side. That is an absurdity of language.
In the end they may figure out that the key difference here isn't processing at all, but fiber, or some particular ingredient added to floud based products on the processing side.
There will likely never be a satisfactory definition, and doesn't need to be. Instead we define what foods are causing health problems and which aren't.
Look in this study, cheese is on the unprocessed side. That is an absurdity of language.
In the end they may figure out that the key difference here isn't processing at all, but fiber, or some particular ingredient added to floud based products on the processing side.