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Common Food Terms Explained: 'Low Carb', Zero Sugar,' More

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If you're overwhelmed by food labels at the grocery store, you're not alone. Dr. Ian Smith, author of “Eat Your Age: Feel Younger, Be Happier, Live Longer,” joins TODAY to break down what some of the most common — but confusing — food terms mean, including "organic," "zero sugar" and more. He also shares what you need to know when shopping for keto, paleo and gluten free products.