DEAR DR. ROACH: I quit smoking about six months ago and was able to resist the temptation to smoke again because I took up vaping immediately afterward. Thanks to vaping, I think this time I will be able to stay off of cigarette smoking permanently after unsuccessfully quitting a half dozen times over the years. I recently read some very alarming news reports about lung disease among vapers, which has me very worried. I do not want to stop vaping, for obvious reasons. Can you please advise on whether vaping is safe for me to continue? -- J.B.

ANSWER: Vaping uses a device with a battery and heating element to vaporize a liquid, usually containing nicotine, flavoring and chemicals to make the aerosol. Vaping is highly prevalent among younger adults, with over 20% of high school students reporting use in the previous 30 days.

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