NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) Prospective studies related to e cigarette use and smoking cessation. Download Table Vaping vs. Cigarettes: Everything I Learned in 2 Weeks After Reading All The Studies I Found. by Ram Mo ILLUMINATION Medium Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane e Cigarettes Extractables and Leachables (E&L) Testing Jordi Labs