Tobacco smoke causes nearly 90 %of lung cancer deaths, according to the American Cancer Society. "If it is a choice between smoking tobacco product or a nicotine replacement — of course, keep taking the nicotine," Dr. Steven Schroeder said. "It is a heck of a lot healthier than tobacco smoking."
Smokers say it has the taste, the feel, the draw of a real cigarette. It's delivered in water vapor, not in harmful smoke. Looks like a real cigarette. Gives you the sensation of real smoke. You're not getting all the things that are killing you, such as carcinogens, chemicals, poisons, tars.
Because no burning is involved, makers say there's no hazardous cocktail of cancer-causing chemicals and gases like those produced by a regular cigarette. There's no secondhand smoke, so they can be used in places where cigarettes are banned.
Manufacturers have touted the products as a healthier alternative to smoking because no burning is involved, and there's no hazardous cocktail of cancer-causing chemicals.
"Although the existing research does not warrant a conclusion that electronic cigarettes are safe in absolute terms and further clinical studies are needed to comprehensively assess the safety of electronic cigarettes, a preponderance of the available evidence shows them to be much safer than tobacco cigarettes and comparable in toxicity to conventional nicotine replacement products."
"[...] there are approximately 56 other carcinogens that have been identified to be present at high levels in tobacco smoke, while there are NO other carcinogens that have been identified to be present in electronic cigarettes. [...] Electronic cigarettes have the potential to be a life-saving intervention for millions of smokers".
A list of the identified, known carcinogens that you can find in electronic cigarette and tobacco cigarettes. The list is based on the best available scientific evidence. Also read what "major anti-smoking groups" recommend you to smoke. With all the present information available about e-cigarettes you will find this information quite interesting/ Could it be the tobacco industry pressure?