White bread or whole-wheat? It may depend on your gut

Photos: Carbohydrates' health history
Carbohydrates' health history: Where do we stand now? – It's thumbs up today, but the news on carbs has not always been positive. Take a look at the arguments for and against carbohydrates through the centuries:
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Photos: Carbohydrates' health history
2 million B.C.: Man cannot live on meat alone – Eating a healthy portion of carbohydrates might have been critical for our evolution into a highly intelligent species.
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