17 diciembre 2014
Do electronic cigarettes help smokers to quit? Yes, but… Researchers found that while nicotine containing electronic cigarettes were more effective than electronic cigarettes without nicotine (placebo) in helping smokers kick the habit, the results need to be confirmed by more studies.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3rmFWkR3tIY/141217074327.htm
