Test your nutrition smarts: Which of these foods packs the most nutritional heft? - The Globe and Mail

Many foods, such as yams and sweet potatoes, may appear similar, but they pack different nutritional punches

Sweet potatoes are related to the morning glory family, while yams, belong to the lily family.iStockPhoto / Getty Images Many of us read nutrition labels to seek out better-for-you foods. Doing so m… [+4425 chars]

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