Third, information bias is another limitation, as the study relied on participants self-reported use of tobacco products
The retrospective design, reliance on self-reported data, lack of information on dietary factors, unmeasured heavy metal exposure, and unaccounted variability in E-cigarette devices all limit causal conclusions and generalizability
Misuse can: Dry and crack rubber gaskets and seals Discolor fabrics and carpets Corrode electrical contacts Weakened wiring insulation Damage varnishes, finishes, and adhesives Electronics such as televisions, computers, and audio equipment should be removed or sealed before treatment
Meanwhile, a tax of EUR 0.08 per milliliter on nicotine-containing liquids puts pressure on price-sensitive consumers