Life in big cities has a lot of advantages - great prospects in the work, many opportunities and entertainment. But a lot of negative sides. For example, noticeably changing sexual life. British scientists conducted several studies and found that the indispensable ingredients of life in the megalopolis - stress, increased air gas - lead to sexual dysfunction and even to the disintegration of families. During the interview residents of large cities found that 30% have problems with sexual life. The main reasons for this are increased fatigue, as well as pain in the stomach because of improper nutrition. 25% of respondents admitted that problems with sex had a negative impact on their family relations. click here