These grains contain proteins that are harmless to most people but capable of producing an allergic reaction in about 10 percent of the population.

At an even smaller scale, each grain contains irregularities.

Whole grains, beans, nuts and vegetables do contain carbohydrates, but these carbohydrate chains take much longer to break down.

Next is beef, because the grains fed to cows contain pesticides that accumulate in the animals' tissue.

These grains contained the heavier elements formed by transmutation earlier in the history of the universe.

Dried beans and grains, for example, contain some fat.

Infested grains contain holes through which adults have emerged.

Studies show that whole grains contain phytochemicals, which also help regulate estrogen.

Domesticated grain contains less crude protein than its wild counterpart, and a higher percentage of carbohydrate.

About 1-5% of the pumice grains contain white to dark grey bands.