Why would it be hard to live in a city state

More than half of the population of the world live in cties. Because of this liviing in a city has many down points like:

1.- City life can make us crazy. If you live in a city you have more probability to develop a  mental disorder, 21% increased risk to develop anxiaty disorder, 39% increased risk to develop a mood disorder.

2.- The constant light don't let us sleep.

3.- The air is polluted. It increases the probabilty to develop asthma.

4.- The noise is terrible.

5.- Rush hours are very common.

6.- There are uncaring crowds.

7.- All of these things affect our inmune system.

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.