E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Rethinking Vaping How bad is vaping and should it be banned? 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 Is Vaping Worse Than Smoking? St. Vincent's Medical Center