Perspective: Whole and Refined Grains and Health—Evidence Supporting “Make Half Your Grains Whole”

Review indicates positive health impacts from diverse diets that include not more than 50% carbohydrates and the right mix of grain-based foods.

Grain-based foods — both whole-grain and refined, from which the bran has been removed — are a key part of healthy diets, according to a study published in the science journal Advances in Nutrition.