Well, the most basic guide to losing weight starts with the food you eat. Many people dwell on the misconception that eating is what makes them gain weight, whereas that is not the case. The real problem lies in the unhealthy choices of food you make. Therefore, instead of eating processed foods, you must switch to whole foods. Besides regulating your insulin and blood sugar levels, whole foods are filling, satiating, and energizing, which in turn keeps a check on your weight.