Carbohydrates are the basic source of energy for the body, and they are categorized as simple and complex carbohydrates. When you eat more carbohydrates than usual your body starts putting on the weight. They are found naturally in some food items such as plant based food contain the carbohydrates such a grains. Processed foods contain carbohydrates in the form of starch and sugar as well so be careful while The body should get only the required amount of carbohydrates otherwise they will not only fuel the body, but will put on the body weight as well.
A Guide to Low Carb Diet