According to the Dietary Guidelines Advisory Committee (a panel of 13 nutrition experts charged with helping develop federal nutrition standards), Americans are eating many more calories than they used to.

Very few people follow the federal dietary guidelines, which recommend daily servings of dark green vegetables, orange vegetables, legumes, fruits, whole grains, and low-fat milk and milk products.

Instead, we eat foods full of refined grains, sugar, fat, and calories — just check out the list below.

What Americans eat: Top 10 sources of calories in the U.S. diet

• Grain-based desserts (cakes, cookies, donuts, pies, crisps, cobblers, and granola bars)
• Yeast breads
• Chicken and chicken-mixed dishes
• Soda, energy drinks, and sports drinks
• Pizza
• Alcoholic beverages
• Pasta and pasta dishes
• Mexican mixed dishes
• Beef and beef-mixed dishes
• Dairy desserts

Source: Report of the 2010 Dietary Guidelines Advisory Committee

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Source: Harvard  Medical School