Nowadays people live most part of their life in big cities. Some people think that the lifestyle of the twenty-first century is harmful for people’s health, whereas others do not share this point of view.

Personally, I am convinced that the modern way of life makes it worse. Firstly, the most part of the person’s day takes his work. It causes a lot of problems with our health. In addition to this, far fewer people go in for sport for today. Secondly, the typical problem for those who live in a big city is the air pollution.  The life expectancy of citizens is lower than people living in the countryside.

However, some people