Vaping Nicotine News Today

70-year-old. >> reporter: adam started vaping when he was 16. a year and a half later he landed in the intensive care unit. his doctors said because of vaping. >> i had the shivers and i couldnt control it. so i would just con vulth and it was scary. i knew it wasnt a stroke but it felt like that because i couldnt control myself. >> reporter: initially he thought it was the stomach flu but after days of nausea and nominating he ended up in libertiville, illinois. >> to know my sons lungs, 18-yea...

There was a problem with the devices or whats inside of them. all patients showed similar pneumonia-like symptoms >> we dont yet full understand the impact on the body, either short term or long term >> reporter: doctors say while vaping nicotine is legal, it doesnt mean the products themselves are safe medically theres still a lot we dont know theres also concern the problem could be more widespread, reaching other states that arent tracking cases. the american vaping association tells nbc news...