To complete the sentences, we need to refer to Exercise 3 for the suitable words or phrases. Since Exercise 3 is not provided, I will use common health-related terms to fill in the blanks:

1. You should try to eat balanced **meals**.
2. **Sugary** food and drinks are not good for our health because they may cause obesity.
3. My son always takes his daily dose of **vitamin** C.
4. To stay **healthy**, people should eat more vegetables and eat less meat.
5. Her face is covered with **acne**. I think she should brush her face with suitable soap for sensitive skin.
6. You can apply some lip balm to treat your **chapped** lips.
7. My mother usually follows some useful **tips** that she has read on websites to prevent and cure diseases.
8. Acne can badly **affect** mental health because it makes people feel unconfident.
9. Luckily, no one was **seriously** injured in the accident.
10. To **avoid** gaining weight, you'd better not eat fast food.

If you have access to Exercise 3, you should use the specific words or phrases provided there.