Grain is organic and dynamic - It lives!
Crush it. grind it and it is dead.
http://www.indiacurry.com/faqstore/sfaqflour.htm
http://www.endtimesreport.com/storing_flour.html
http://www.wholefoodsmarket.com/products/grocery/grain_facts.html
http://waltonfeed.com/self/oats.html