While e cigarettes, or vapes, may contain fewer chemicals than regular cigarettes, they are still NOT safe. E cigarettes contain harmful chemicals. 99% of e cigarettes contain nicotine, making them highly addictive. Visit https: t.co 1y8cZxtgFQ to 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 E Cigarettes (Vapes) Smoking and Tobacco Use CDC Vaping vs Smoking