Several studies have proven that nitrogen and carbon oxide, two air pollutants, can affect the central nervous system and lead to physical and mental health problems. The results of several studies showed that young adults who were exposed to higher levels of air pollution , especially nitrogen oxide, experienced greater mental health problems in the transition into adulthood. The components of air pollution lead to many diseases of the nervous system, and have a negative impact on mental health In the following lines, we review together the impact of polluted air on mental health, according to the Center for Urban Design and Mental Health:…