According to Scientific American, growing research into carbohydrate-based diets has demonstrated that the medical establishment may have harmed Americans by steering them toward carbs. Research by Meir Stampfer, a professor of nutrition and epidemiology at Harvard, concludes that diets rich in carbohydrates that are quickly digestible—that is, with a high glycemic index, like potatoes, white rice, and white bread—give people an insulin boost that increases the risk of diabetes and makes them far more likely to contract cardiovascular disease than those who eat moderate amounts of meat and fewer carbs. Though federal guidelines now emphasize eating more fiber-rich carbohydrates, which take longer to digest, the incessant message over the last 30 years to substitute carbs for meat appears to have done significant damage.
An interesting article. Read also, the Scientific American article it's based on.
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