Basic writing. An English newspaper's "Healthy Living" column is discussing healthy food, physical exercise and childhood obesity. please

A healthy diet and regular exercise may help prevent childhood obesity. Take Li Ming as an example.

Li Ming used to be a healthy boy, but more than a year ago, he got into the habit of eating a lot of junk food.

Snacking and spending a lot of time lying on the sofa and watching TV, he seldom exercises. As a result, he put

Being too heavy, he found it difficult to climb the stairs.

So Li Ming decided to change his unhealthy lifestyle and start to have a balanced and healthy diet. He also

Take part in various sports activities, such as swimming, skating, running and playing basketball. A few months later,

Li Ming has become as healthy as before.

The answer is not unique.