Lastly, we're asking if it's time to make vapes prescription only. For the first time, more people are vaping than smoking. One expert has said vapes should only be given to people trying National Drug Prevention Alliance & PPP Drug use various effects E cigarettes can be key weapon against smoking, say MPs BBC News Warning: Etomidate in Vapes Some vapes are laced with etomidate and other dangerous drugs. It can damage your brain, disrupt your heart function, and cause fatal breathing problems.