Vaping vs. Cigarettes The Independent What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping vs. Smoking Which is Safer for Your Lungs? Think vaping is the "healthier" option? Think again. Both smoking and vaping come with serious risks to your lung health, 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