Frequently Asked Questions Thirdhand Smoke Resource Center Smoking vs Vaping Savings Calculator How much do you save? How Long Does Nicotine Stay in Your Body from Vaping? How to Switch from Smoking to Vaping Smoking cigarettes has long been proven to cause severe lung damage, including chronic obstructive pulmonary disease (COPD), emphysema, and lung cancer. Over time, cigarette smoke destroys lung tissue, fills airways with tar,