Cardiac Arrest: Life-threatening cardiac arrhythmias
Department of Agriculture proposed a similar rule on the last day of President Trump's first term
They want to quit tobacco. The bill would also stiffen penalties for selling nicotine products to anyone under 21, making it a gross misdemeanor
Tobacco blend: Different types of tobacco may contain varying nicotine concentrations
Either way, I dont think these minor downsides in any way outweigh everything else that this otherwise fantastic lighter has going for it and as long as you dont plan on using it for regularly lighting camp fires or other horizontal-lighting applications, you shoulda be just fine
However, the studys limitations lie in the possible recall bias due to the cross-sectional investigation nature and social response biases due to possible reasons like social desirability bias, self-stigma, peer pressure, etc