Arent Tracking Cases News Today

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...

Next tonight, a new warning about the potential dangers of vaping a growing number of young people ending up in the hospital, suffering from serious lung disease we get more from nbcs catie beck >> reporter: 26-year-old dylan nelson never imagined his vaping habit would leave him in a coma, fighting for his life. >> his lungs were failing. his whole body was shutting down. >> reporter: dylans brother patrick says his symptoms started soon after inhaling a hit from a new vaping cartridge he bough...

That story >> what was your point, sir what are you trying to say? >> thank you >> reporter: tonight republican congressman steve king refusing to answer reporters questions after he once again ignited a firestorm with these controversial comments captured by "the des moines register. >> what if they went back through all the family trees and just pulled those people out who are products of rape and incest would there be any population in the world left if we did that, considering al the wars an...