This is an ingenious idea! Cigarettes burn tobacco to create a smoke people inhale which delivers a dose of nicotine (the addictive substance). An E Cigarette does almost the same but with a few differences:

1. No tobacco
2. No Smoke
3. No nasty chemicals
4. No nasty side affects
5. Wont discolor your teeth
6. Wont cause bad cigarette smell
7. No second hand smoke

Below are the parts of a typical E Cigarette

A. LED light
B. battery
C. heating element
D. mouthpiece.

Basically, the atomizer or heating element in the image above is responsible for converting the liquid into a a fine mist or vapor. This mist is inhaled to the lungs where the nicotine is delivered. You might have seen something similar with a Nebulizer.

The main idea behind an Electric Cigarette is to deliver nicotine (the addictive substance) in a manner that most closely resembles smoking a real cigarette. Many people use electric cigarettes to supplement smoking real cigarettes like in places where indoor smoking has been banned. Other people use the E cigarette to help limit the toxic side affects smoking a real cigarette brings. Since the E cigarette does not burn tobacco, there is no tar, no chemicals, and no second hand smoke.

The Electric cigarette uses cartridges with different levels of nicotine (high, medium, low, or none).

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