E-liquids and/or vaping aerosols do contain definite, probable and possible carcinogens such as formaldehyde, acetaldehyde, acrolein, tobacco-specific nitrosamines, volatile organic compounds (e.g., benzene), phthalates, residual solvents, and metals (including arsenic, cadmium, chromium, lead and nickel)
So, keeping your pre-rolled joints as good as new should always be a priority
Sommerfeld CG, Weiner DJ, Nowalk A, Larkin A
Oral mucosal lesions in electronic cigarettes consumers versus former smokers
The most frequently used technologies to analyze e-liquids are liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS), but both techniques can have limitations with regard to mass accuracy, sensitivity and linear dynamic range