Human may not have evolved to suffer a low-carbohydrate diet: The human body, which scientists report in a new study, rapidly evolved mechanisms to be a better carb-consuming machine. Animals, including humans, have amylase in their saliva to detect carbs when they’re in their mouths.

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Human may not have evolved to suffer a low-carbohydrate diet: The human body, which scientists report in a new study, rapidly evolved mechanisms to be a better carb-consuming machine. Animals, including humans, have amylase in their saliva to detect carbs when they’re in their mouths.