So do all grains have gluten? Nope. Rice, quinoa, buckwheat, and millet are all gluten free. If you're thinking about giving your diet a makeover, talk to your doctor or a dietitian first.

All types of rice (except sushi and quick cooking ... so don't rely on organic to have less arsenic. The gluten-free grains amaranth, buckwheat, millet, and polenta or grits had negligible ...