In western countries today, more and more foods have additives(添加剂) in them. What are additives? Additives are chemicals(化学制品) which are put into foods to give them color and taste, to stop them going bad, and so on.. but doctors say that some additives can be bad for us.
Now let’s look at how additives can be bad for our health. Take, for example, a little English girl called Sally Jones/ sally is two years old and quite an ordinary little girl. But when she was younger, she never went to sleep at night. She never got tired. Finally, Sally’s parents took her to a special doctor. He said that she must never eat food with additives in it. He was sure that the additives had a very bad effect on her body, and made her too active(活跃的). He was quite correct. As soon as sally started to eat foods without additives, she began to sleep well at night. Now she is the same as other little girls, except that she can’t eat many foods that children love, such as ice cream, because they have additives in them.