Here's a great response to the study from one of the icons of the Primal/Paleo/low-carb community: http://www.marksdailyapple.com/high-fat-diets-make-us-stupid

Here's a great response to the study from one of the icons of the Primal/Paleo/low-carb community: http://www.marksdailyapple.com/high-fat-diets-make-us-stupid-lazy/ http://www.marksdailyapple.com/high-fat-diets-make-us-stupid... Executive summary: This study (or at least the media's response to it) attempts to extrapolate a 9-day study on rats to an overall implication on human diets.