"Experts blame a lack of plant foods, including whole grains.Here are some easy ways to boost fiber intake: * Snack on whole-grain crackers, fruit, or vegetables or popcorn (a whole grain) instead of cookies, candy, and chips. * Choose whole-grain breads and cereals, whole-wheat pasta, and other whole grains, such as quinoa, millet, barley, cracked wheat, and wild rice. * Look for breads with more" . . . . .