Doctors in Britain are worried because British teenagers eat lots of fried potatoes, sweets and fat food. Most teenagers don't have enough fruit or vegetables and more than one million British school children are overweight.
Some teenagers say that they don't have time to eat good food, but kids who have a poor diet often have health problems when they are older.
Americans have been with fast food for a long time, and it was born there. American fast food is now a part of life far beyond (超过) the stores of the United States. McDonald's, Pizza Hut, and KFC have restaurants all over the world.
No one can say no to the fact that fast food at a fair price has its place around the world. It is popular now, and it is giving a hand to a country's economy (经济).
A diet of hamburgers, fries and soda may seem happy, but it won't give your body things you need to stay healthy. Fast food has little of many important things our bodies need.
Some parents are saying no to the fast food restaurants where people eat junk food and doctors are giving young people books and games about a good diet. Having a healthy and well balanced diet can help you feel better and live longer.
