No, Singapore's vape ban didn't cause the etomidate crisis Saw Swee Hock School of Public Health How Drug Laced Vapes Are Plaguing Malaysia, Singapore And Thailand Insight 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. Japan battles 'zombie juice' drug scourge after Hong Kong's space oil, Singapore's Kpods South China Morning Post CNA Explains: Why Singapore wants to ban etomidate CNA Singapore to impose harsher penalties on drug laced vapes from September Reuters