Should I Be Concerned About Secondhand Vaping? Is 2nd Hand Vape Smoke Bad Is There 2nd Hand Smoke From Vapes Covid 19 Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 5 Vaping Facts You Need to Know Johns Hopkins Medicine No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health