E-cigarette price sensitivity among middle- and high-school students: Evidence from monitoring the future. Addiction 113: 896-906
The harms to pregnancy from smoking, in late pregnancy at least, seem to be due to other chemicals in tobacco smoke rather than nicotine." The study, conducted by researchers at Queen Mary University of London, University of New South Wales (Australia), University of Nottingham, St Georges University of London, University of Stirling, University of Edinburgh, and Kings College London, and St Georges University Hospitals NHS Foundation Trust, analysed data collected in the Pregnancy Trial of E-cigarettes and Patches (PREP) randomised controlled trial, funded by the National Institute for Health and Care Research (NIHR).
theres actually a bit of technique involved
The scene also tapped into a broader internet trend of alien-encounters-mundane-human-things comedy, but the specific escalation to "500 cigarettes" gave it a punchline that worked as a standalone catchphrase outside the original context