There is much wisdom in the old saying "You are what you eat," and doctors and dietitians alike will tell you that good health starts with a good diet. To help make eating well as simple as possible, one of the important things we need to do to ensure a good balance in our lives, is to be aware of what we eat, so that we can have optimum health. There are certain foods that contain high amounts of beneficial substances antioxidant, vitamins and minerals and betacarotene that can help eliminate toxins, boost the immune system and help protect against cancer.