It's OK to Carb. Here's How.By DailyBurn

... and are the body's preferred fuel source for high-intensity activities (like sports, running and weight training). While carbs are important for optimal performance and recovery and are the preferred food of the central nervous system, they are not ...

http://www.thedailybeast.com/articles/2014/01/17/carbs-101-the-truth-about-carbohydrates.html