Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Thirdhand Smoke Resource Center Protecting Californians Secondhand smoke from cigarettes worse than vapes UPI.com 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, Smoking and Lungs: Understanding the Impact on Breathing and Your Options SMOKO E Cigarettes