RACGP Vapes, gums or lozenges for smoking cessation? Nicotine Free Vape: Is It That Much Safer? Infinite Recovery Smokers and Vapers May Be at Greater Risk for Covid 19 The New York Times Cigarette smokers who try to quit often end up vaping and smoking WashU Medicine Is Vaping Worse Than Smoking Cigarettes? Get the Facts Vaping substantially less harmful than smoking, largest review of its kind finds King's College London