" To remove refined grains from your diet is to remove America’s number one source of calories. Switching to whole grains may help reduce body fat, but there’s an even better swap. See the Wall Off Your Calories section for taking your grain game up a notch and graduate from mere whole grains to intact whole grains, such as oat groats (also known as hull-less or hulled oats). "

― Michael Greger , How not to diet