In Mark Sisson's 'Primal Blueprint 21 Day Total Body Transformation' book he states in his key concepts that, "Even if some - or most - of your diet has been in the form of "complex" carbs, this excessive and unnecessary intake of carbs has reprogrammed your genes from an early age to make you more dependent on a regular supply of dietary carbohydrate. You are a "sugar burner" if you are trapped in this carbohydrate dependency. If you're like most people, this high intake of carbs over time has elevated your insulin levels throughout the day, and resulted in excess calories (from all foods, not just carbs) to be stored as body fat. Over the years, chronically high levels of glucose and insulin in your blood have altered your fat cells so that you can't easily burn this plentiful source of stored energy. If your body is accustomed to burning carbs as fuel instead of stored fat, your brain will crave your usual fuel source - carbs - more often. This leads to a vicious cycle of insidious weight gain over a lifetime, even if you exercise frequently."
Once, a Nurse Practitioner that I worked with told me {after I had said it was unhealthy to eat grains}, "Briana, you NEED carbs". Our society thinks that we "NEED" carbs in order to function and they have even set a dietary requirement for carbohydrates. This is not necessary. I then explained to her that we can get carbs elsewhere, such as vegetables or meat. We have a fabulous body that can use protein and fat to pull out glucose to use when needed for our brains to function just right. This process is called gluconeogenesis, which is the synthesis of glucose from non-carbohyrates. So, NO, we do not need to bombard our body with EXTRA glucose from grains, legumes, sugars, etc to burn for energy and to stay alert. Our body does this on its own using primal/healthy/simple foods.
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