1. You should drink plenty of water.
2. Get enough sleep. Teenagers should sleep at least 9 hours.
3. Eat more fruit and vegetables.
4. You should always have breakfast.
5. Take a walk every day.
6. You shouldn't watch TV or play computer games more than two hours a day.
7. Avoid snacks that are high in sugar or saturated fats, such as chips, cakes and chocolate.
8. Keep your hands clean - wash them with water and soap.
9. Do not smoke!
10. Do not drink alcohol!
