The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat.Đoạn văn12/74What is the best title for this passage?Harmful and Harmless Substances in FoodImproving Health through a Natural Diet.The Food You Eat Can Affect Your HealthAvoiding Injurious Substances in Food.Giải thíchĐáp án: C