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Even in a world of ever-expanding menus and blink-and-you'll-miss them health trends, certain dietary advice never seems to go out of style. One such suggestion? Eat plenty of fruits and vegetables.

Enter the plant-based diet. This style of eating focuses on eating primarily whole grains, fruits and vegetables.

Here, MD Anderson health education specialist Andrea Murray explains what a plant-based diet is ¡ª and isn¡¯t. She...