Benefits of healthy cooking include living longer and a decrease in cholesterol. You can see weight loss, or you can build muscle if you are underweight. Eyesight often improves, you won't feel as tired, and you can sleep better if you introduce healthy foods into your system. Nail and hair growth are improved. Potassium and sodium levels are regulated. Headaches tend to go away, and you will likely have more energy so that you can exercise and live a healthier lifestyle.