Fact
Vapes can contain formaldehyde, acrolein, and acetaldehyde--which are also found in cigarette smoke.
Source 1:
Think E-Cigs Can’t Harm Teens’ Health?. U.S. Food and Drug Administration. (2020).
https://www.fda.gov/tobacco-products/public-health-education/think-e-cigs-cant-harm-teens-health