Are e cigarettes more dangerous than regular ones? Nicorex E cigarettes greatly raise risk of chronic lung disease Vaping isn't harmless the warning signs are already here Researchers are now seeing DNA damage, oxidative stress, and epigenetic changes in those who vape early warning signs that point toward increased Research claims a link between e cigarettes and respiratory disease: Not so fast CEPR Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian