Carbohydrates can be found in many foods we eat every day. However, there are good and bad carbohydrates. Make sure you eat the good carbs and avoid the bad ones, or at least minimize its consumption. And do you know why diet and health gurus advocate not to eat carbs after 4PM/5PM/6PM? It is because this is the time when most people begin to become sedentary. Carbohydrates needs to be converted to energy, when inactive it will be stored as fat.