Is Vaping Safe? Are E cigarettes Safe ? Vuse UK Be A Vape Free Teen Cecil County Health Department Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. VUSE HAS 99% FEWER TOXICANTS THAN CIGARETTES. WE'RE WORKING ON THAT REMAINING 1%. FDA Authorizes Tobacco Flavored Vuse E Cigarette, Rejects Its Fruity Versions WSJ