Write a reason for each tip (Viết lý do cho mỗi mẹo)

Write a reason for each tip (Viết lý do cho mỗi mẹo)
1. Do more physical activities
2. Eat a lot of red fruit and vegetables
3. Use eyedrops when you are doing a lot of reading
4. Keep your house clean
5. Laugh more and stay relaxed