A member asked:

I've bought a nicotine free vapour pen, like an electronic cigaret, but without the smoke and nicotine, is it safe? are there any side effects?

2 doctors weighed in across 2 answers
Dr. Paul Grin answered

Specializes in Pain Management

We don't know : It was not randomized control trail conducted to support safety, benefits and efficacy of e-cigarettes. The jury is out there.

Answered 1/24/2014

4.5k views

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Dr. Victor Bonuel answered

Specializes in Internal Medicine

Check out these: Links. Definitely it's safer than inhaling nicotine but we can never be sure about the long term effects of inhaling vapor. Theoretically inhaling vapor for a long period of time can cause lung inflammation and scarring. God bless u! http://answers.yahoo.com/question/index?qid=20090928205524aagxplz. http://www.mercurynews.com/bay-area-living/ci_24379697/vaping-is-breath-sweet-air.

Answered 1/24/2014

4.5k views

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