Grain-bashing has become very popular lately, with diet books such as Wheat Belly, Grain Brain, and various Paleo options all urging patients to avoid grains, especially wheat, at all costs.

These books claim that our bodies did not evolve to eat grains, and that grain consumption is responsible for the obesity crisis and increased incidence of type 2 diabetes and other chronic diseases. If only there was evidence to support these claims…

It’s the calories, not the carbs

Low-carb diets have been the rage from time to time for the past 50 years, and a 2014 Gallup poll revealed that 29% of Americans avoid carbohydrates. But are low-carb diets really more effective for weight loss than low-fat, or any other type, of diets? 

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The evidence is now in, and the verdict is “no.”  Two systematic reviews and meta-analyses published in 2014, one in JAMA and another in PLOS ONE, concluded that low-carb diets were no more effective for weight loss than a low-fat diet. It’s the calories, not the carbs.