Quitting e cigarettes vs tobacco: what motivates people to stop? BIT Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Can vaping cause cancer? The evidence suggests it might. The Washington Post Vaping isn't harmless. Early nicotine use can harm brain development, affect how nerve cells work, and increase the risk of addiction. Young people who vape are 4x more likely to start smoking Vaping vs. smoking: Long term effects, benefits, and risks How have e cigarettes changed over time?