The health effects of e-cigarettes are still unknown. Medical associations and regulatory bodies are concerned that e-cigarettes are nothing more than a "gateway" to a nicotine addiction.
I would like to encourage all to go on over there and make a post describing what e-gics/vaping has done for you.
Free accounts are pretty easy to set up and usually are immediate.
http://www.huffingtonpost.com/2013/07/01/tobacco-industry-e-cigarettes_n_3453821.html