There are theories about how our modern wheat for example is vastly different from what it was 50+ years ago, something in the structure has changed so that the

There are theories about how our modern wheat for example is vastly different from what it was 50+ years ago, something in the structure has changed so that there's "more" wheat, but it's just fluff - all the good stuff has been modified out to get the maximum weight of wheat at the cost of quality.