1. Yes , diet is very important to everyone's life . Scientific diet can help us to be healthier .
2. A balanced diet is a diet that includes different foods in certain quantities and proportions such that the need for calories , protein , vitamins , minerals and alternative nutrients is Sufficient and small amounts are stored for short-term replenishment of nutrients .
3. They often eat water dishes such as vermicelli , pho , noodles , noodle soup , ... and broken rice (  hahah, that sounds weird ) . At noon they eat takeaway or at a restaurant and in the evening they go to a restaurant or cook at home .
4. Yes , in my country I am not sure , but in my locality it is very much . They eat at restaurants most of the week and even months .
5. Because they are lazy to cook and they don't know how to cook . For them , the food outside the restaurant is delicious and convenient 

Questions 1:
Not really because they will have to try to meet the requirements of teachers and parents. May be envied and shunned by everyone.

cho mình xin câu trả lời hay nhất nhé