在空格中填上适当的单词，使对话完整正确。一空一词（含缩写词）。
Dave: Hello, Peter. Have you noticed that some people are not so healthy as before though life has improved a lot.
Peter: Yes, it's true. Nowadays some people eat more, so they are getting heavier an easy to get sick.
Dave: Eating more than needed is for sure not healthy. But to be , this eating habit is not completely true for what causes their. Some people eat more but that doesn't what they eat is bad for them.
Peter: I agree. It's just different. Eating unhealthy food is another problem. It will make people healthy to stay away from junk food and try to eat more kinds of food per day.
Dave: Yes, you are right. The food people have should be healthy and .
Peter: I think so. What's more, to become , people should still exercise more. Doing sports daily will make people in good condition.
Dave: These days, people have so much , because they're quite busy studying and working. Many people go to bed very late, even when they have to go to school or to work early the next morning.
Peter: That's true. They may find nothing in their bodies and feel least uncomfortable at first. But if such lasts long, people will finally get sick.
Dave: Doing sports is a good way to get relaxed. It will do good to people's health.