What is the least harmful vape? MONVAPER Help Center :: Health Concerns :: Is vaping healthier than smoking? Vape King South Africa Disposables Vapes & Much More New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E cigarettes contain hazardous substances, addictive and harmful Vapes might be less harmful than traditional cigarettes and might help smokers quit smoking, but they are not safe, especially for individuals younger than 25 years old. Plus, much is still unknown