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> if lots of teenagers take up e-cigarettes (with nicotine) then that.. will cost millions of lives That's quite a claim. Based on what? Can you point to any d

• daddylonglegs 8y ago
  There will be two main mechanisms: The first is the direct effects of nicotine (and possibly the vaping mechanism). The figure being bandied about on this thread is that vaping is probably 5% as directly dangerous as tobacco. The second is that teenagers and young people who vape (with nicotine) will get addicted to nicotine and are more likely to smoke tobacco. Smoking currently kills more than five million people a year[1], 5% of that would be more than 250,000 deaths a year and so a million deaths every four years. If vaping is taken up by young people on the scale that smoking tobacco is then millions of premature deaths is a conservative estimate, given what we know now. [1] https://ourworldindata.org/smoking https://ourworldindata.org/smoking edit: typo