Why must you eat healthy food?

Just like how a car needs petrol oil and grease regularly to deliver good performance there is also good and bad fuel and lubrication. The better the quality, the better service you will get out of that car. Our body is the same way: they need good food to keep us healthy and to perform at our best. The better the food, the better our performance and our health. Good food will also help you to reach a very high age.