Quitting smoking is quite difficult - most people are not helped by gum, or patches, or by Allen Carr’s book (which, moreover, is “damn bad smoked”). This habit is recognized as harmful, harmful not only to the smoker, but also to those around him, so it must be dealt with.
The original replacement for the “stick of death” was found by the Chinese, who released an electronic cigarette. At the time of puff, a small dose of nicotine is sent to the smoker’s lungs (where it is without him), and smoke replaces harmless water vapor.
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Thus, a person addicted to bad habits can minimize the harmful effects on the body, while maintaining all the same tactile sensations. On the same taste will have to forget, and in fact many probably like cigarette smoke.