How to Switch from Smoking to Vaping Is Vaping Worse Than Smoking? St. Vincent's Medical Center How Smoking vs. Vaping Affects the Eyes Nicotine Addiction From Vaping Is a Bigger Problem Than Teens Realize News Yale Medicine 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