It was in 2007 when e- cigarettes came to the American market. Since then, its demand has been on rise. As per Euromonitor, sales of e- cigarettes are going to touch $1 billion by this year.

Everybody knows that cigarette is injurious to health. Therefore, smokers have been trying a number of ways to curb their habit or use safer methods. It is considered that many people find e- cigarettes as a safer option as it does not emit smoke but water vapor.

Those who have been using the same have affirmed that they have witnessed a lot of improvements. To cite an example, their sense of taste and smell has improved a lot. There are a number of health benefits that have been felt by people who smoke e-cigarettes.

On the other hand, there are people who do not find e-cigarettes as beneficial as considered. Melissa Watson, a Columbia health counselor, was of the view that it is not difficult to quit smoking.

But the hardest thing is to maintain the status of staying quit. Melissa does not think that e-cigarette is going to help in quitting smoking.

"We still don't know how harmful they are to people or to the environment, so we aren't sure yet if we should include them", said Angela Nixon from media relations department in Clemson.