Does Smoking and Vaping Affect Your Stamina During Treks? Scientists discover why vaping is 'more dangerous than smoking' in first of its kind study Can vaping cause cancer? The evidence suggests it might. The Washington Post FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals