Cardiac arrest is caused due to clogging of arteries which are caused in turn due to various reasons. Scientists and researchers from Monash University in Melbourne have found that continued exposure to air pollution can also lead to cardiac arrest.
When you are exposed to high air pollution, chances are high for dust particles to enter your lungs , which in turn could clog your breathing system. Further research is going on the subject.
So if you are exposed to high air pollution either in your residential area or in your office area, it would be prudent to take necessary precautions like wearing a filter mask etc.,
After all, health is the most important wealth in your life. You are useless, if you have bad health and a million dollar bank balance.