11. we can avoid some diseases by having balanced meals
12. using a lt of sugar in cooking isn't good for your health
13. watching tv too much is not good for your eyes
14. sleeping helps your recover from a hard working day
15. you should wear a hat to avoid getting sunburn
16. having a running nose is symptom of cold
17. there are many types of exercises that we may participate in
18. the doctor is asking hoa some question about her health
19. stop smoking because it's harmful to health
20. you should drink a lot of water and eat a lot of vegetables in summer