Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the 5 Vaping Facts You Need to Know Johns Hopkins Medicine Hookah vs Vape vs Cigarette: Which is more harmful? Do Flavoring Agents make them more addictive?