"General health. Humans only began cultivating grains 10k years ago (same with legumes)"
Man! 10,000 years is LOOONG TIME, thats wayyyyyyyyyy past egyptian times... (i.e pyramids were created circa 2600 B.C. )
2600+ our year 2012 ...thats like close to 5,000 years. So double that...lol only 10,000. It had time enough to evolve.