Vaping vs. Smoking: What's the Nicotine Equivalent? Curious about how vaping compares to smoking? Let's break it down! Disposable Vapes: A typical disposable vape with around 600 puffs can Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian E cigarette use to reduce cigarette smoking may not increase nicotine dependence, study suggests Medical Update Online E cigarette use to reduce cigarette smoking may not increase nicotine dependence Penn State Health News E cigarettes didn't help smokers quit, study says CNN E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA