Cigarette Smoke

Cigarette smoke contains over 4000 chemicals of which 43 of them are known to be carcinogenic such as Tar[1]. Since there is an increase in the release of these pollutants, more people will be exposed to such dangerous particles in the air.

Cigarette smoke, whether first hand or second hand can be extremely detrimental to health with the large number of health problems it is related to. It can affect our lives in both short term (irritation to the eyes, nose and throat, and upper respiratory infections such as bronchitis and pneumonia) and long term (chronic respiratory disease, lung cancer, heart disease, and even damage to the brain, nerves, liver, or kidneys).

Some groups of people will be more prone to developing health problems from the smoke. For example, those who are asthmatic or have emphysema. The smoke will aggravate their condition.

In addition, cigarettes emit 10 times more PM2.5 than a diesel vehicle.[2]  This shows that cigarette smoke is also a great source of air pollution, though it is normally not regarded as one of the sources.

[1] Have you ever wondered what’s in a cigarette? (2011 January) Retrieved from

[2] Miranda, H. (2004, August 23). Smoking worse than exhaust for air pollution. Retrieved from


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