Smokers Switching to Vaping See Improved Respiratory Health Respiratory Therapy Gov. Whitmer proposes new vape tax to discourage youth tobacco use The Michigan Independent 77% say vapes pose serious threat to users survey Philstar.com Vaping 101: How to Use a Vape Pen for the First Time Myster Why Do People Vape? Reasons Have Changed Live Science Hon Lik invented the e cigarette to quit smoking but now he's a dual user Vaping The Guardian