Vapes aren't always just nicotine. Some may be laced with substances like cannabinoids, ketamine, or etomidate, which can trigger psychotic symptoms such as hallucinations or paranoid thoughts. Learn how these substances affect Disposable vapes, which make up the majority of e cigarette sales in the US, are a significant pollution concern as nearly half a million vapes are thrown away every day. It comes as Understanding Vaping: Can It Cause Sickness? Vaping: What are the health risks? Yahoo Life UK