E cigarettes: How they work, risks, and research Vaping and E Cigarettes Hazelden Betty Ford Is Vaping Safer than Smoking? New Directions for Women Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published 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