Pourquoi mon e liquide noircit dans le rservoir ? Guide Taklope Are E Cigarettes Safe? New Study Highlights Potential Health Risks The Educated Patient Mon e liquide a une DLUO dpasse, y a t il un risque ? How Safe are Electronic Cigarettes? Votre e liquide est il prim ? Conservation, dates et conseils Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree.