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 UCLA researchers find new evidence that e cigarettes may harm your heart UCLA Will e cigarettes get more popular? Where There's Vapor, Is There Fire? We Need Evidence on E Cigarettes RAND Vaping: What you need to know Heart and Stroke Foundation Tobacco industry promoting 'false evidence' on e cigarettes: WHO