Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Hon Lik invented the e cigarette to quit smoking but now he's a dual user Vaping The Guardian Different types of e cigarettes from the first to fourth generation. Download Scientific Diagram 2FIRSTS The E cigarette Summit Opens Today at RCP London F.D.A. Authorizes E Cigarettes to Stay on U.S. Market for the First Time The New York Times