National Post View: Vape 'em if you got 'em National Post I think it's absolutely shocking that we've allowed that to happen. The message that vaping is 95% safer than smoking has backfired, a top health expert has said. Dr Mike McKean treats E cigarettes may be harmful to health an annotated graphic Engineering & Technology magazine Association between home smoking and e cigarette use restrictions and concurrent use behaviors among dual users of cigarettes and e cigarettes