http://goo.gl/mRfxxt
The team measured the changes of PM-10 week to week. They found that when the amount of PM-10 increased by 37.82㎍/㎥ per week, the suicide rate would also increase by 3.2 percent.
When the concentration of ozone increased by 0.016ppm per week, suicide rates increased by 7.8 percent.
The researchers argued that the studied forms of air pollution negatively affected the functioning of neurotransmitters in the central nervous system. These neurotransmitters were linked to serotonin metabolism.