Fast food has become a very popular option in the modern age,particularly for children and teens,because it is convenient and helps to save time.However,a major drawback of fast food is its lack of healthful options,as it often involves frying or sugar.Many people are concerned about the harmful effects of eating too much fast food.In conclusion,although fast food is delicious and convenience,we should eat them neither too often nor too much in order to keep ourselves in good health.