How to stay healthy
作者：Hoài Dung Nguyễn
1. To restore your energy
1.1. Sleep
2. Hygiene
2.1. Brush your teeth
2.2. Wash your hands
2.3. Have a bath or shower
3. Exercise
3.1. Long walk or run
3.2. Ride bikes
4. Food
4.1. For strong bones and teeth
4.1.1. Milk and dairy products
4.2. For vitamins
4.2.1. Fruit and veggies
4.3. For protein
4.3.1. Meat and fish