To lose weight, it is not necessary to turn into a vegetarian, but if you simply start eating an abundance of fruits, legumes, vegetables, nuts, grains and seeds, your health will improve. That type of diet, when combined with other exercise plans, drastically reduces your weight and keeps you fit and healthy. Most of the plant foods are low-calorie and low-fat, while also keeping you filled for a longer time. As they are fresh and whole, your body will get used to eating natural, organic foods, rather than fast food or overly processed foods.