| | Why
Cigarette smoking causes 87 percent of lung cancer deaths and is responsible for most cancers of the larynx, oral cavity and pharynx, esophagus, and bladder.
Secondhand smoke is responsible for lung cancer deaths among nonsmokers.
Tobacco smoke contains about 4000 of chemical agents, including over 60 substances that are known to cause cancer.
The risk of developing smoking-related cancers, as well as noncancerous diseases, increases with total lifetime exposure to cigarette smoke.
Smoking cessation has major and immediate health benefits, including decreasing the risk of lung and other cancers, heart attack, stroke, and chronic lung disease. [1]
Electronic cigarette vapor contains only one of those 4000 chemicals: nicotine.
Nicotine, on its own, does not promote the development of cancer in healthy tissue and has no mutagenic properties. Furthermore, nicotine itself is not significantly addictive, but it developes after coadministration with Monoamine oxidase inhibitors (MAOI), such as those found in tobacco. [2]
Therefore, electronic cigarettes will not give you the same feeling like smoking tobacco, but they will satisfy your addiction of nicotine.
While smoking electronic cigarettes you will also not feel smoke, ashes, unpleasant smell, throat burning sensation, caughing, and the feeling of smell will return. You will feel like a non-smoker; both you and people around you.
One study from 1942 showed that propylene glycol efficiently kills bacteria and viruses in air. [3] [4]
If this is to be believed, smoking electronic cigarettes should significantly decrease probability of getting pneumonia, influenza and other respiratory diseases.
Sources:
[1] Cigarette Smoking and Cancer: Q & A - National Cancer Institute
[2] Nicotine - Wikipedia, the free encyclopedia
[3] Medicine: Air Germicide - TIME
[4] Propylene glycol - Wikipedia, the free encyclopedia
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