A massive, decades-long decline in the habit? Stemming from ad restrictions, warning labels, media campaigns, taxation, legal action by states/Feds, etc.
A smoker moving to vaping is an enormous benefit to health and society.
Yes, the regulations that made this happen are good. That's my point.
> Waste from single use vapes is also a huge problem.
Nothing like the cigarette butts that used to be everywhere.
> Similarly there are health effects specific to vaping, time will tell if cancer is among them.
We've plenty of data to safely conclude vaping is safer than smoking tobacco. That doesn't make it safe, but it's absolutely safer.
Most of the harm from smoking comes from the smoke, not the nicotine or associated addiction.