Sarah, turn on your brain. What about Game Theory? What if wheat is addictive and mankind did not enslave Wheat but wheat (and possible other crops) "enslaved" mankind?
There is evidence that wheat may not be as healthy for you as you think. Also, the wheat from 60 years ago has very little to do with our current wheat.
http://en.wikipedia.org/wiki/Gluten_exorphin
http://www.wheatbellyblog.com/2012/04/wheat-is-an-opiate/
http://perfecthealthdiet.com/category/toxins-and- toxicity/wheat-grains/
http://perfecthealthdiet.com/2010/09/wheat-and-obesity-more-...