1.because they understand that good health is above wealth.
2.if you do exercises you will be fit.You won't be fat.
3. You should eat healthy food and do more exercises. Also you must eat fruit and vegetables. They contain nutrients.
4. Some people do sport like a hobby. They take part in competitions and win medals, but some people for example run every day to be fit, it's part of their life.
5.No, we usually don't do sport.
6.It can help you to be strong, fit and skinny.
7. smoking, it's one of the most dangerouse habits, it can pollute your lungs.